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BigBattery 12V HUSKY 2 INV Lithium Battery 5.12kWh 400Ah | LiFePO4 | Inverter Comms | RV | Off-Grid | Marine Battery
BigBattery 12V HUSKY 2 INV Lithium Battery 5.12kWh 400Ah | LiFePO4 | Inverter Comms | RV | Off-Grid | Marine Battery
Regular price
$1,450.00 USD
Regular price
$2,050.00 USD
Sale price
$1,450.00 USD
California sales tax added at checkout. No sales tax charged on orders shipped outside California.
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BigBattery 12V HUSKY 2 INV Lithium Battery 5.12kWh 400Ah | LiFePO4 | Inverter Comms | RV | Off-Grid | Marine Battery
Product Summary:
The 12V HUSKY 2 INV Lithium Battery (5.12kWh | 400Ah) is a high-capacity, deep-cycle LiFePO₄ solution designed for RVs, marine systems, vans, and small off-grid applications. Built with inverter communication capability, this INV version integrates seamlessly with compatible inverter systems for optimized performance and smarter energy control.
Powered by Tier 1 LiFePO₄ cells, the HUSKY 2 delivers reliable, long-lasting energy with high efficiency and zero maintenance. Its advanced Battery Management System (BMS) provides protection against overcharge, over-discharge, short circuit, and temperature extremes – ensuring safe, consistent operation in all conditions.
Engineered for real-world environments, the battery features an IP65-rated enclosure, vibration-resistant construction, and built-in self-heating, enabling dependable performance in outdoor and cold-weather conditions. With HUSKY app remote access, users can monitor battery status and performance in real time for full system visibility.
Ships From: Texas, USA
Warranty: 12 Years
Support: Lifetime USA-Based Tech Support
Compatibility
Inverter Compatibility (Closed-Loop Communication):
- Compatible with 12V AIMS & VICTRON inverter systems via communication protocols
- Designed for integration with inverter-based 12V energy systems
Best-Fit Applications:
- RVs and camper vans
- Marine and boating systems
- Vans and mobile builds
- Small off-grid homes and backup systems
Key Features
- 5.12kWh LiFePO₄ Capacity (400Ah) – High-capacity energy storage for extended runtime
- Inverter Communication (INV Version) – Enables optimized system integration and performance
- Tier 1 Lithium Cells – Safe, stable, and long-lasting battery chemistry
- Advanced BMS Protection – Multi-layer safety for voltage, current, and temperature
- IP65-Rated Enclosure – Built for dust and water resistance
- Self-Heating Function – Reliable operation in cold climates
- Vibration-Resistant Design – Ideal for mobile and marine applications
- HUSKY App Monitoring – Real-time battery tracking and remote access
- Deep-Cycle Performance – Built for consistent daily use
- Maintenance-Free Operation – No watering or routine servicing required
- Long Cycle Life – Designed for years of dependable performance
A high-capacity, smart lithium battery built for reliable mobile and off-grid power with advanced monitoring and seamless inverter integration.
Introducing The Husky2 (INV)
The 12V HUSKY 2 delivers 5.12kWh of ultra-reliable LiFePO₄ engineered to power your favorite applications such as RVs, boats, and small off-grid homes. This INV variation includes inverter communications! Built with Tier 1 LFP cells, IP65 casing, self-heating, and an advanced BMS, it ensures safe, all-weather performance, maximum durability, and efficiency for every adventure.
Designed For 48V Applications
Downloads & Specifications
Battery Specifications
System Voltage:12V
Nominal Voltage:12.8V
Chemistry:LiFePO4
kWh Capacity:5.12kWh
Ah Capacity:400Ah
Charging Voltage Range:13.9V – 14V
Max Charge Voltage:14.4V
Operating Voltage Range:12V – 14.4V
Suggested Low Voltage Cutoff:12V – 12.7V
BMS Cutoff Range:10.5V – 11.75V
Cell Configuration:4S
Max Continuous Discharge Current:300A
Max Continuous Power:5120W
Max Discharge Peak Current:350A (Max 5 seconds)
Max Charge Current:200A
Charge Temperature Range:-4°F – 113°F (-20°C – 45°C)
Discharge Temperature Range:-4°F – 131°F (-20°C – 55°C)
Optimal Discharge Temperature Range:59°F – 95°F (15°C – 35°C)
Storage Temperature Range:-4°F – 113°F (-20°C – 45°C) (Max 6 months)
Weight:95 lb (43.1 kg)
Depth:12.6 in (320 mm)
Width:18.1 in (460 mm)
Height:9.8 in (249 mm)
Max Connections:Up to (16) Parallel
Protection Rating:IP65 / NEMA 4X
Communications:CANBus / RS485
Self-Heating:Yes
Battery Downloads
SKU#:FHSKY-12051-G2-INV
GTIN/UPC:00199874819792
Spec Sheet:
DOWNLOAD
DOWNLOAD
User Manual:DOWNLOAD
DOWNLOAD
Safety Data Sheet:DOWNLOAD
DOWNLOAD
Mobile IOS App:
GO TO LINK
GO TO LINK
Mobile Android App:GO TO LINK
GO TO LINK
Warranty
Introducing The Husky2 (INV)
The 48V HUSKY 2 delivers 5.12kWh of ultra-reliable LiFePO₄ power for boating, RVs, utility carts, and camper vans. This INV variation includes inverter communications! Built with Tier 1 LFP cells, IP65 casing, self-heating, and an advanced BMS, it ensures safe, all-weather performance, maximum durability, and efficiency for every adventure.
