{"product_id":"eg4-280ah-all-weather-12kpv-ess","title":"EG4 280Ah All Weather + 12kPV (ESS)","description":"\u003ch2 style=\"text-align: center;\" class=\"product_title entry-title\"\u003e\u003cspan style=\"color: rgb(50, 149, 66);\"\u003e\u003cstrong\u003eEG4 Wallmount All Weather Battery \u0026amp; 12kPV Hybrid Inverter (ESS) | 14.3-85.8kWh | UL9540 | Grid-Tied Home Solar System (12kW-36kW PV)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 class=\"content__summary-title\"\u003e\u003cstrong\u003eProduct Summary:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"woocommerce-product-details__short-description\"\u003e\n\u003cp data-start=\"194\" data-end=\"565\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"202\" data-end=\"258\"\u003eEG4 280Ah All-Weather Battery + EG4 12kPV ESS System\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a powerful, all-in-one energy solution designed for both\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"319\" data-end=\"356\"\u003eon-grid and off-grid applications\u003c\/strong\u003e. Combining the rugged\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"379\" data-end=\"422\"\u003e14.3kWh EG4 All-Weather LiFePO₄ battery\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith the efficient\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"442\" data-end=\"471\"\u003eEG4 12kPV hybrid inverter\u003c\/strong\u003e, this system delivers reliable, intelligent energy management for residential and backup power needs.\u003c\/p\u003e\n\u003cdiv class=\"bb-see-more\" id=\"bb-see-more-1\"\u003e\n\u003cdiv class=\"bb-see-more-content\"\u003e\n\u003cp data-start=\"567\" data-end=\"956\"\u003eThe 12kPV inverter provides up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"609\" data-end=\"626\"\u003e8,000W output\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"632\" data-end=\"652\"\u003e12,000W PV input\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"657\" data-end=\"671\"\u003edual MPPTs\u003c\/strong\u003e, enabling efficient solar production and seamless power management between solar, battery, and grid. Paired with the durable All-Weather battery – featuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"827\" data-end=\"853\"\u003e200A continuous output\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"855\" data-end=\"876\"\u003e8,000+ cycle life\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"878\" data-end=\"905\"\u003eintegrated self-heating\u003c\/strong\u003e, and advanced safety protections – this system ensures dependable performance in demanding environments.\u003c\/p\u003e\n\u003cp data-start=\"1024\" data-end=\"1240\"\u003eDesigned with \u003cstrong data-start=\"793\" data-end=\"829\"\u003eUL 9540 certified configurations\u003c\/strong\u003e, advanced battery management, and \u003cstrong data-start=\"864\" data-end=\"894\"\u003eU.S.-engineered components\u003c\/strong\u003e, this system ensures safe, maintenance-free performance with seamless closed-loop communication between battery and inverter.\u003c\/p\u003e\n\u003cp data-start=\"1197\" data-end=\"1334\"\u003e\u003cstrong data-start=\"1219\" data-end=\"1234\"\u003eShips From:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTexas, USA\u003cbr data-start=\"1250\" data-end=\"1253\"\u003e\u003cstrong data-start=\"1253\" data-end=\"1266\"\u003eWarranty:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 Years (Battery), 10 Years (Inverter)\u003cbr data-start=\"1285\" data-end=\"1288\"\u003e\u003cstrong data-start=\"1288\" data-end=\"1300\"\u003eSupport:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLifetime USA-Based Tech Support\u003c\/p\u003e\n\u003ch3 data-section-id=\"18fxkdn\" data-start=\"1341\" data-end=\"1361\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1344\" data-end=\"1361\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1394\" data-end=\"1428\"\u003e\u003cstrong data-start=\"1394\" data-end=\"1428\"\u003eIntegrated \u0026amp; Optimized System:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1429\" data-end=\"1490\"\u003e\n\u003cli data-section-id=\"pvftou\" data-start=\"1429\" data-end=\"1490\"\u003eEG4 280Ah All-Weather Battery + EG4 12kPV Hybrid Inverter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1492\" data-end=\"1518\"\u003e\u003cstrong data-start=\"1492\" data-end=\"1518\"\u003eExpandable \u0026amp; Flexible:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1519\" data-end=\"1696\"\u003e\n\u003cli data-section-id=\"x9d47h\" data-start=\"1519\" data-end=\"1578\"\u003eAdd additional batteries for increased storage capacity\u003c\/li\u003e\n\u003cli data-section-id=\"r3gs9b\" data-start=\"1579\" data-end=\"1637\"\u003eSupports grid-tied, hybrid, and off-grid installations\u003c\/li\u003e\n\u003cli data-section-id=\"1fxt2gy\" data-start=\"1638\" data-end=\"1696\"\u003eCompatible with solar + generator input configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1408\" data-end=\"1442\"\u003e\u003cstrong data-start=\"1637\" data-end=\"1653\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1655\" data-end=\"2670\"\u003e\n\u003cli data-section-id=\"1eja3v9\" data-start=\"1724\" data-end=\"1818\"\u003e\n\u003cstrong data-start=\"1726\" data-end=\"1751\"\u003eComplete ESS Solution\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Battery + inverter system designed to work seamlessly together\u003c\/li\u003e\n\u003cli data-section-id=\"jlpac9\" data-start=\"1819\" data-end=\"1901\"\u003e\n\u003cstrong data-start=\"1821\" data-end=\"1857\"\u003e12,000W PV Input \/ 8,000W Output\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Efficient power for residential systems\u003c\/li\u003e\n\u003cli data-section-id=\"n4uvtd\" data-start=\"1902\" data-end=\"1978\"\u003e\n\u003cstrong data-start=\"1904\" data-end=\"1924\"\u003eDual MPPT Inputs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Optimizes solar generation across multiple arrays\u003c\/li\u003e\n\u003cli data-section-id=\"834tri\" data-start=\"1979\" data-end=\"2050\"\u003e\n\u003cstrong data-start=\"1981\" data-end=\"2008\"\u003e14.3kWh LiFePO₄ Battery\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Durable, high-capacity energy storage\u003c\/li\u003e\n\u003cli data-section-id=\"1l83ky\" data-start=\"2051\" data-end=\"2125\"\u003e\n\u003cstrong data-start=\"2053\" data-end=\"2079\"\u003e200A Continuous Output\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Supports high-demand loads and appliances\u003c\/li\u003e\n\u003cli data-section-id=\"1gzfbpc\" data-start=\"2126\" data-end=\"2189\"\u003e\n\u003cstrong data-start=\"2128\" data-end=\"2149\"\u003e8,000+ Cycle Life\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Long-lasting performance at 80% DoD\u003c\/li\u003e\n\u003cli data-section-id=\"ubmgbz\" data-start=\"2190\" data-end=\"2266\"\u003e\n\u003cstrong data-start=\"2192\" data-end=\"2214\"\u003eAll-Weather Design\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Built for reliable indoor and outdoor operation\u003c\/li\u003e\n\u003cli data-section-id=\"1m9zi26\" data-start=\"2267\" data-end=\"2338\"\u003e\n\u003cstrong data-start=\"2269\" data-end=\"2296\"\u003eIntegrated Self-Heating\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Reliable performance in cold climates\u003c\/li\u003e\n\u003cli data-section-id=\"av16tp\" data-start=\"2339\" data-end=\"2451\"\u003e\n\u003cstrong data-start=\"2341\" data-end=\"2378\"\u003eAdvanced BMS \u0026amp; Safety Protections\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Includes EMP protection, fire safety features, and system safeguards\u003c\/li\u003e\n\u003cli data-section-id=\"5rtlu5\" data-start=\"2452\" data-end=\"2521\"\u003e\n\u003cstrong data-start=\"2454\" data-end=\"2476\"\u003eUPS Backup (~20ms)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Fast, seamless transition during outages\u003c\/li\u003e\n\u003cli data-section-id=\"5ocoic\" data-start=\"2522\" data-end=\"2613\"\u003e\n\u003cstrong data-start=\"2524\" data-end=\"2551\"\u003eSmart Energy Management\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Supports peak shaving, load control, and grid interaction\u003c\/li\u003e\n\u003cli data-section-id=\"1sx1hj0\" data-start=\"2614\" data-end=\"2702\"\u003e\n\u003cstrong data-start=\"2616\" data-end=\"2647\"\u003eRemote Monitoring \u0026amp; Control\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Real-time system tracking and performance insights\u003c\/li\u003e\n\u003cli data-section-id=\"1ph7tfo\" data-start=\"2703\" data-end=\"2769\"\u003e\n\u003cstrong data-start=\"2705\" data-end=\"2735\"\u003eMaintenance-Free Operation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– No routine servicing required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ereliable, all-in-one energy storage system\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebuilt for efficiency, flexibility, and long-term energy independence.\u003c\/p\u003e\n\u003ch3 class=\"bb-justify-between\"\u003e\u003cstrong\u003eItems Included-Quantity depends on Your ESS Configuration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"bb-items-included-frontend\"\u003e\n\u003cdiv class=\"bb-item-frontend\"\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\u003cspan class=\"bb-item-title\"\u003eEG4 WallMount 280Ah All Weather | 48V - 14.3kWh | UL1973 | Home Battery Backup LFP\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bb-item-frontend\"\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cspan class=\"bb-item-title\"\u003eEG4 All Weather Conduit Box\u003c\/span\u003e\u003cspan class=\"bb-item-title\"\u003eEG4 12kPV All-in-One Hybrid Solar Inverter | 12kW PV \/ 8kW AC | Split-Phase | 3-MPPT | Scalable | Remote Wi-Fi Monitoring\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 10.0pt;\"\u003eDownloads \u0026amp; Specifications\u003c\/span\u003e\u003c\/b\u003e\u003c\/h5\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 2;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18.0pt;\"\u003eBattery Specifications\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eNominal Voltage:\u003c\/b\u003e51.2V\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eChemistry:Lithium\u003c\/b\u003e Iron Phosphate (LiFePO4)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ekWh Capacity:\u003c\/b\u003e14.3kWh\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eAh Capacity:\u003c\/b\u003e280Ah\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBMS Charging Voltage (Bulk\/Absorb)\u003c\/b\u003e:56.0V (±0.8V)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRec. Charging Voltage (Bulk\/Absorb)\u003c\/b\u003e:56.2V (±0.2V)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRec. Float Setting:\u003c\/b\u003e54V (±0.2V)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRec. SoC Cutoff Setting:\u003c\/b\u003e20%\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax. Continuous Charge Current:\u003c\/b\u003e140A\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax. Continuous Discharge Current:\u003c\/b\u003e140A (200A Max. Continuous for 30 min)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRec. Charge Current:\u003c\/b\u003e60 – 140A\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRec. Discharge Current:\u003c\/b\u003e60 – 140A\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax Continuous Discharge Rate:\u003c\/b\u003e10,240W\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eVoltage:\u003c\/b\u003e56V\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePower Consumption:\u003c\/b\u003e224W\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eInternal Temperature Cutoffs:\u003c\/b\u003e≤32ºF (On) | ≥41ºF (Off)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCharging Temperature Range:\u003c\/b\u003e32ºF – 122ºF (0ºC – 50ºC)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eDischarging Temperature Range:\u003c\/b\u003e-4ºF – 131ºF (-20ºC – 55ºC)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eStorage Temperature Range:\u003c\/b\u003e32ºF – 113ºF (0ºC – 45ºC)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOperating Altitude\u003c\/b\u003e:\u0026lt;16,404 ft (\u0026lt;5,000 m)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eProtection Rating:\u003c\/b\u003eIP65\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCommunications:\u003c\/b\u003eRS485 | CANBus\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eWeight:\u003c\/b\u003e308.6 lbs (140 kg)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eDepth:\u003c\/b\u003e9.1 in (232 mm)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eWidth:\u003c\/b\u003e22.3 in (566 mm)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eHeight:\u003c\/b\u003e36.1 in (916 mm)\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 3.75pt; mso-line-height-alt: 15.6pt; mso-outline-level: 1; background: white;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18.0pt; font-family: 'Inter',serif; color: #165ea0; mso-font-kerning: 18.0pt;\"\u003eEG4 12kPV Hybrid Inverter (ESS) \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 2;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18.0pt;\"\u003eInverter Specifications\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eNominal AC Voltage:\u003c\/b\u003e120\/240VAC; 120\/208VAC (L1\/L2\/N required)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFrequency:\u003c\/b\u003e50\/60Hz\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax. AC Input Power:\u003c\/b\u003e8000W\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMin. Generator Size:\u003c\/b\u003e\u0026gt;5000W\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax. Gen | Grid Passthrough Current:\u003c\/b\u003e80A | 80A\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax. Output Current:\u003c\/b\u003e33.3A @ 240VAC | 38.5A @ 208VAC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOutput Voltage:\u003c\/b\u003e120\/240VAC; 120\/208VAC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eNominal Power Output\u003c\/b\u003e:8000W\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOutput Frequency:\u003c\/b\u003e50\/60Hz\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePower Factor:\u003c\/b\u003e0.99 @ Full Load\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eReactive Power Adjust Range\u003c\/b\u003e:±0.8\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax Cont. Line Wattage\u003c\/b\u003e:4000W\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePeak Power\u003c\/b\u003e:0.5 s \/ 1 s \/ 1 min \/ 12 min: 16kW \/ 12kW \/ 10kW \/ 8.8kW\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOperating Frequency\u003c\/b\u003e:50\/60Hz\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eTHD (V) @ Full Load\u003c\/b\u003e:\u0026lt;3%\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eTransfer Time:Single:\u003c\/b\u003e 20 ms – Default, 10 ms – Selectable; Parallel: 20 ms\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eNumber of MPPTs\u003c\/b\u003e:2\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eInputs per MPPT\u003c\/b\u003e:2\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax. Usable Input Current\u003c\/b\u003e:25\/25A; 25A per MPPT | 41.6A in total\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax. Short Circuit Input Current\u003c\/b\u003e:31\/31A\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eDC Input Voltage Range*\u003c\/b\u003e:100–600 VDC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eUnit Startup Voltage\u003c\/b\u003e:100 VDC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMPPT Operating Voltage Range**\u003c\/b\u003e:120–500 VDC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eNominal MPPT Voltage\u003c\/b\u003e:360 VDC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMPPT Voltage High Protection***\u003c\/b\u003e:550 VDC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMaximum Utilized Solar Power\u003c\/b\u003e:12000W\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRecommended Maximum Solar Input\u003c\/b\u003e:15000W\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMaximum Efficiency (PV → Grid)\u003c\/b\u003e:97.5%\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMaximum Efficiency (Battery → Grid)\u003c\/b\u003e:94%\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCEC Weighted Efficiency\u003c\/b\u003e:96.4%\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMaximum Efficiency (PV → Battery)\u003c\/b\u003e:99.9%\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eIdle Consumption (Standby Mode)\u003c\/b\u003e:\u0026lt;55W\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCompatible Battery Types\u003c\/b\u003e:Lead-Acid \/ Lithium\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax. Charge\/Discharge Current:\u003c\/b\u003e167A @ 48 VDC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eNominal Voltage:\u003c\/b\u003e48 VDC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eVoltage Range:40–60 VDC (Lithium)\u003c\/b\u003e; 40–60 VDC (Lead-Acid)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRecommended Battery Capacity per Inverter\u003c\/b\u003e:\u0026gt;200Ah\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMax. Units in Parallel:\u003c\/b\u003e10\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eProduct Dimensions (H×W×D)\u003c\/b\u003e:29.5×20.5×11.2 in (750×520×285 mm)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eUnit Weight\u003c\/b\u003e:110 lbs. (50 kg)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eDesign Topology\u003c\/b\u003e:High Frequency – Transformerless\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRelative Humidity\u003c\/b\u003e:0–100%\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOperating Altitude\u003c\/b\u003e:\u0026lt;2000m (\u0026lt;6561 ft)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOperating Ambient Temperature Range:\u003c\/b\u003e-13°F – 140°F (-25°C – 60°C)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eStorage Ambient Temperature Range\u003c\/b\u003e:-13°F – 140°F (-25°C – 60°C)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eNoise Emission (Typical)\u003c\/b\u003e:\u0026lt;50 dB @ 3 ft\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eLocked Rotor Amps (LRA)\u003c\/b\u003e:195A\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCommunication Interface:\u003c\/b\u003eRS485\/Wi-Fi\/CAN\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eStandard Warranty**:\u003c\/b\u003e10-year standard warranty\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eEnclosure Rating\u003c\/b\u003e:NEMA 4X\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eProtections:\u003c\/b\u003ePV Arc Fault Protection, PV Ground Fault Protection, PV Reverse Polarity Protection, Pole Sensitive Leakage Current Monitoring Unit, Surge Protection Device, integrated PV disconnect.\u003c\/p\u003e\n\u003cdiv class=\"table-header\"\u003e\n\u003ch2\u003eBattery Downloads\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-body\"\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSKU#:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eK0104\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSpec Sheet:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/EG4-14.3kWh-PowerPro-WallMount-AW-Spec-Sheet.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUser Manual:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/EG4-14.3kWh-PowerPro-WallMount-AW-Manual.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUL9540A Certificate:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/EG4-LL-WallMount-280Ah-UL9540A-Test-Verification.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUL1973 Certificate:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/EG4%C2%AE-14.3kWh-PowerPro-WallMount-UL1973-Certificate-Of-Compliance.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eQuick Start Guide:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/EG4%C2%AE-14.3kWh-WallMount-AW-Quick-Start-Guide.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCEC Listing- EG4 WallMount All Weather:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/solarequipment.energy.ca.gov\/Home\/EnergyStorage?ManufacturerID=EG4+Electronics+LLC\u0026amp;amp;ModelNameID=-1\u0026amp;amp;Submit=Search\u0026amp;amp;Rows=25\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Go to link\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/gotolink.png\" decoding=\"async\"\u003eGO TO LINK\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv class=\"table-header\"\u003e\n\u003ch2\u003eInverter Downloads\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-body\"\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSKU#:\u003c\/span\u003e\u003cspan class=\"row-value\"\u003eK0104\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eSpec Sheet:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/02\/EG4%C2%AE-12kPV-Spec-Sheet.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUser Manual:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/02\/EG4%C2%AE-12kPV-Quick-Start-Guide.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eTroubleshoot Maintenance Guide:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/02\/EG4%C2%AE-12kPV-Troubleshooting-Maintenance-Guide.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUL1741 – Certificate of Compliance:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/02\/12kPV-COC.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eUL1741 PCS CRD – Certificate of Conformity:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/10\/EG4-12kPV-IV-8000-HYB-AW-UL-3141-CRD-PCS-Verification-of-Conformity.pdf\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Download\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/download.png\" decoding=\"async\"\u003eDOWNLOAD\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-row\"\u003e\n\u003cspan class=\"row-key\"\u003eCEC Listing- EG4 12kPv:\u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/solarequipment.energy.ca.gov\/Home\/EnergyStorage?ManufacturerID=EG4+Electronics+LLC\u0026amp;amp;ModelNameID=-1\u0026amp;amp;Submit=Search\u0026amp;amp;Rows=25\" class=\"download-btn\" target=\"_blank\"\u003e\u003cimg alt=\"Go to link\" src=\"https:\/\/bigbattery.com\/wp-content\/themes\/shoptimizer-child\/template-parts\/product\/assets\/images\/gotolink.png\" decoding=\"async\"\u003eGO TO LINK\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: Arial; mso-bidi-theme-font: minor-bidi;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 3;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 13.5pt;\"\u003eWarranty\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv class=\"shoptimizer-archive\"\u003e\n\u003cdiv class=\"col-full\"\u003e\n\u003cdiv class=\"content-area\" id=\"primary\"\u003e\u003cmain role=\"main\" class=\"site-main\" id=\"main\"\u003e\n\u003cdiv class=\"product type-product post-157006 status-publish first instock product_cat-eg4-280ah-all-weather-12kpv product_cat-ul-grid-tied has-post-thumbnail taxable shipping-taxable purchasable product-type-variable has-default-attributes\" id=\"product-157006\"\u003e\n\u003cdiv class=\"product__desc\"\u003e\n\u003cdiv class=\"product__desc-wrapper\"\u003e\n\u003cdiv class=\"bb_container\"\u003e\n\u003cdiv class=\"bb_row\"\u003e\n\u003cdiv class=\"bb_w-6 bb_product_tabs\"\u003e\n\u003cdiv class=\"bb_tabs_content\"\u003e\n\u003cdiv id=\"warranty-info-tab\" class=\"bb_tab_content pad-1 active\"\u003e\n\u003cp\u003eEG4 12kPV Inverter:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10-Year\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEG4 Manufacturer Warranty\u003c\/p\u003e\n\u003cp\u003eEG4 All Weather Battery:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10-Year\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEG4 Manufacturer Warranty\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection id=\"footer-new-section\"\u003e\u003cfooter class=\"footer\" id=\"footer\"\u003e\n\u003cdiv data-negative=\"false\" class=\"custom-shape custom-shape-top\"\u003e\u003csvg preserveaspectratio=\"none\" viewbox=\"0 0 1000 100\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M473,67.3c-203.9,88.3-263.1-34-320.3,0C66,119.1,0,59.7,0,59.7V0h1000v59.7 c0,0-62.1,26.1-94.9,29.3c-32.8,3.3-62.8-12.3-75.8-22.1C806,49.6,745.3,8.7,694.9,4.7S492.4,59,473,67.3z\" opacity=\"0.33\" class=\"custom-shape-fill\"\u003e\u003c\/path\u003e\u003cpath d=\"M734,67.3c-45.5,0-77.2-23.2-129.1-39.1c-28.6-8.7-150.3-10.1-254,39.1 s-91.7-34.4-149.2,0C115.7,118.3,0,39.8,0,39.8V0h1000v36.5c0,0-28.2-18.5-92.1-18.5C810.2,18.1,775.7,67.3,734,67.3z\" opacity=\"0.66\" class=\"custom-shape-fill\"\u003e\u003c\/path\u003e\u003cpath d=\"M766.1,28.9c-200-57.5-266,65.5-395.1,19.5C242,1.8,242,5.4,184.8,20.6C128,35.8,132.3,44.9,89.9,52.5C28.6,63.7,0,0,0,0 h1000c0,0-9.9,40.9-83.6,48.1S829.6,47,766.1,28.9z\" class=\"custom-shape-fill\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer__container\"\u003e\n\u003cdiv class=\"footer__body\"\u003e\n\u003cnav\u003e\u003c\/nav\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/footer\u003e\u003c\/section\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"BigBattery","offers":[{"title":"1x 12kPV + 1x All Weather","offer_id":48627621822710,"sku":"K0104","price":7715.0,"currency_code":"USD","in_stock":true},{"title":"1x 12kPV + 2x All Weather","offer_id":50446479589622,"sku":"K0105","price":11580.0,"currency_code":"USD","in_stock":true},{"title":"1x 12kPV + 3x All Weather","offer_id":50446479622390,"sku":"K0118","price":15445.0,"currency_code":"USD","in_stock":true},{"title":"2x 12kPV + 4x All Weather","offer_id":50446479851766,"sku":"K0119","price":23360.0,"currency_code":"USD","in_stock":true},{"title":"3x 12kPV + 6x All Weather","offer_id":50446479884534,"sku":"K0130","price":35140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3738\/7254\/files\/Main-3-2.webp?v=1776312852","url":"https:\/\/ecopowerit.com\/products\/eg4-280ah-all-weather-12kpv-ess","provider":"EcoPowerit","version":"1.0","type":"link"}