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BigBattery| 12V RAZORBACK- LiFePO4 - 138Ah - 1.76kWh

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Price: $699.00 USD
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List Price: $1,020.00 USD
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Price: $699.00 USD
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BigBattery 12V RAZORBACK- LiFePO4 - 138Ah - 1.76kWh

WORLD’S THINNEST BATTERY! BigBattery’s 12V 1.76 kWh RAZORBACK (RZBK) battery is the thinnest and safest solution for your RVs, APS systems, and other 12V applications.

At BigBattery, we pride ourselves on being energy innovators, and in only 1.5 inches of thickness, we’ve packed our advanced BMS, a 100A Breaker, and brand new LFP Razor cells. These cells are some of the safest lithium cells available today, capable of being fully punctured without releasing hazardous fumes or catching fire. When it comes to safety, the RZBK is unmatched.

If you’re looking for safe, portable, and discreet power storage, the RZBK is your answer. One of the most power dense units we offer, the RZBK can be paralleled together up to 8 times for a robust power system that doesn’t have to eat up valuable space and weight in your RV, camper van, or semi-truck. Upgrade to the RZBK today!

Check 12V RAZORBACK- LiFePO4-138Ah-1.76kWh Complete Kits

Designed For 12V Applications

  • HAZARDOUS ENVIRONMENTS
  • LEAD ACID REPLACEMENT
  • INTENSE HEAT AND COLD
  • EMERGENCY POWER
  • OFF-GRID POWER
  • SOLAR SYSTEMS
  • MOBILE POWER
  • CAMPER VANS
  • RVs
  • Tech Specs

    Single 12V RAZORBACK- LiFePO4 - 138Ah - 1.76kWh Battery Specs

    SKU: ARZBK-12017-G1
    System Voltage: 12V
    Nominal Voltage: 12.8V
    Chemistry: LiFePO4
    Charging Voltage Range: 13.9 - 14.5V
    Max Charge Voltage: 14.7V
    Operating Voltage Range: 9.8 – 14.6V
    kWh Capacity: 1.76kWh
    Ah Capacity: 138Ah
    Cell Configuration: 4S
    Max Continuous Discharge Current: 175A
    Max Continuous Power: 2240W
    Max Discharge Peak Current: 350A (6 Seconds)
    Max Charge Current: 130A
    Charge Temperature Range: -20°C (-4°F) / 65°C (149°F)
    Discharge Temperature Range: -35°C (-31°F) / 65°C (149°F)
    Optimal Discharge Temperature Range: 15°C (59°F) / 35°C (95°F)
    Storage Temperature Range: -5°C (23°F) / 35°C (95°F) (Max 6 Months)
    Weight: 48 lb (21.8 kg)
    Depth: 10.25 in (26 cm)
    Width: 47.25 in (120 cm)
    Height: 1.5 in (3.8 cm)
    Safety Features: Breaker (100A) & Battery Management System
    (Over/Under Voltage, Over Current, &
    Over/Under Temperature Protections)
    Max Connections: Up To (8) Parallel

    Specs Sheet

    BigBattery| 12V RAZORBACK- LiFePO4 - 138Ah - 1.76kWh

    Polices

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    10Warranty

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    BigBattery lithium-ion RV battery packs have a track record of being exceptionally reliable while guaranteeing a worry-free experience. Our advanced lithium RV & Van-life solutions reduce generator time and minimize charging periods. We also offer our RV batteries with inverters, so you have a one-stop shop for compatible accessories.

    • 300%

      10 YEAR SAVINGS VS LEAD-ACID

    • 4X 

      CYCLE-LIFE

    •  1/3

      THE SPACE & WEIGHT

    • 100%

      SAFE & RELIABLE

    FREQUENTLY ASKED QUESTIONS

    Can your batteries be used in series?

    We no longer offer our batteries for use in series.

    Do your batteries have a thermal management system?

    All of our batteries have a thermal management system that is controlled by the BMS (Battery Management System). This Thermal management system will not only prevent the battery from being used if the temperature is too high, but also if the temperature is also too low.

    Can I use my OEM charger?

    No. Lead acid battery chargers charge at different currents and voltages than our lithium batteries. Using your OEM charger can damage your battery cells and void your battery’s 10 year warranty. We have several chargers optimized for and calibrated to every battery we sell.

    Why does the voltage drop when unplugging the charger?

    The voltage drop that you experienced is called the “bubble voltage” and is perfectly normal for Lithium Batteries. LiFePO4 batteries behave differently than other battery chemistries. The Voltage vs Capacity is not linear. For example, if you have a voltage between (13.3 - 14.6) or (26.6 - 29.2) or (53.6 - 58.4)  you will have more than 99% of the capacity. This essentially means that “Bubble Voltage” contains less than 1% of the entire capacity and the drop when a load is placed is instant.

    Can I leave my batteries outside?

    No. Our batteries are not marine rated or weather proof, so leaving them out under the sun all day or in the rain can damage the batteries. (This type of damage is not covered under the 10 year warranty.

    How many years will my battery last?

    Lithium Iron Phosphate (LifePO4) batteries can be cycled from 3000 to 7000 times. If you cycle the battery daily with an 80% DoD (Depth of Discharge), then you can get even more than 10 years of use from your battery.

    Is BigBattery compatible with all Inverters and Charger Controllers?

    Our batteries work great with almost all inverter/charger controller brands. The only brand we are not compatible with is RENOGY. Please confirm that your inverter can be set to the operating parameters of the battery you’re interested in before purchasing. Parameters can be found as a downloadable PDF spec sheet on every battery product page.

    How do I install my battery?

    All of our batteries come with free ring terminals that can be used to connect your battery to your inverter, cart, or busbar system. We also sell a parallel busbar that can be used in tandem with the included ring terminals to parallel multiple batteries.

    What is the difference between the 12 A and the Upgraded Charger?

    Upgraded Charger:

    • Charging Current: 15A
    • Input Voltage: 110V / 220V
    • Output Voltage: 58.8v
    • Charging Time: 5 h (approx)
    • On-Board Charger: Yes
    • Protection: IP65

    Does Big Battery sell used/surplus batteries?

    In the past Big Battery sold refurbished batteries, such as solar batteries made from recertified Nissan Leaf modules. As of the year 2020, all batteries sold are new, never-previously-cycled batteries that come with a complimentary 10 year warranty.

    How long before my order ships?

    It can take anywhere from a week to no more than two weeks for shipment. This time allows us to assemble, test, and inspect each battery prior to shipping.

    Why does shipment take so long?

    We build every battery upon order, so shipment may take anywhere from a week to no more than two weeks.This is to allow us to assemble, test, and inspect every unit prior to shipment.

    What does your 10 year warranty cover?