< img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=469765212286002&ev=PageView&noscript=1" /> POWERWIN BT5120 48V 100Ah 5120Wh Lithium Battery 4 Pack 20480Wh

POWERWIN BT5120 48V 100Ah 5120Wh Lithium Battery 4 Pack 20480Wh

$6,796.00 $3,876.00

Shipping calculated at checkout.

  • Grade-A LiFePO4 battery & BMS System
  • Ultimate power for heavy duty
  • Sealed battery, maintenance-free
  • Up to 15000 Cycles (60% DoD)
  • Up to 20.48KWh parallel connection
  • Multi-functional, UPS & Solar Power Support
  • Stock Available in the US

Out of stock

POWERWIN BT5120 51.2V 100Ah LiFePO4 Battery

Pack of 4


Grade-A Lithium Battery



Independent Energy

Need a robust power source that won't let you down? Look no further. Our 5120Wh independent energy powerhouse will keep your devices running smoothly, no matter the demand.


51.2V 100Ah BMS



Compact Size for Big Power

48V100Ah general-purpose battery, where compact size meets immense capability. Perfectly designed for versatility and efficiency. Whether it's for camping, DIY projects, or backup power, our compact 48V 100Ah battery is your trusted companion.




5120Wh of Capacity

The 51.2V 100Ah Battery can be adopted for 95% of home appliances in the market. Perfect match for your 48V(nominal) inverter.



Universal Compatibility

Designed to seamlessly integrate with most 48V inverters, this LiFePO4 battery ensures an immediately setup for your energy needs. Versatility meets convenience.
100Ah energy storage

How to Connect LiFePO4 Batteries

It is easy as steps 1, 2, and 3. You can connect in parallel to expand your battery capacity. Due to the high voltage may cause electric shock, serial connect in the battery is not recommended.
How to use 48V battery

Charging Guide

The battery accepts the power from wall outlet or solar power. Please use a 48V battery charger or MPPT to charge the battery. 

how to charge 48V battery
Versatile Energy Adaptable Utility

Invest in the future of energy storage with our 51.2V 100Ah Lithium Iron Phosphate battery. Especially for RV in serial connection, boat energy. Experience the benefits of clean, reliable power, and ensure your solar energy system operates at its peak efficiency.

48V battery usage



COLOR Space Gray
TYPE LFP (Lithium Iron Phosphate)
LIFE CYCLES 4000+ Cycles to 80% DoD
SHELF-LIFE Recharge to 80% Every 3-6 Months
MANAGEMENT SYSTEM Battery Management System






100A in 5 seconds. (25℃ / 77℉)


200A in 2-3 seconds. (25℃ / 77℉)


Charge: 0~45℃ / 32~113℉

Discharge: -20~60℃ / -4~140℉

Storage: -10~45℃ / 14~113℉


12 Months (24 months for subscribers)



1×BT5120 LiFePO4 Battery
2×M8 Battery Bolt
1×User Manual







  • Q: What is the nominal voltage and capacity of the LiFePO4 battery?

    • A: The nominal voltage is 51.2V, and the capacity is 100Ah (Ampere-hours).

    Q: How do I charge the LiFePO4 battery?

    • A: Use a compatible LiFePO4 battery charger. Ensure that the charger's voltage and current settings are suitable for a 51.2V battery. Follow the manufacturer's charging guidelines.

    Q: Can I use a solar panel to charge the battery?

    • A: Yes, you can use a solar panel with a compatible charge controller. Make sure the charge controller is designed for LiFePO4 batteries and is configured to the correct voltage.

    Q: How do I connect devices to the battery?

    • A: Connect your devices or loads to the battery using appropriate cables and connectors. Ensure that the total load does not exceed the battery's rated capacity.

    Q: Is it safe to discharge the battery completely?

    • A: While LiFePO4 batteries can handle deeper discharges compared to some other battery types, it's generally recommended to avoid fully discharging them regularly for optimal lifespan. Consider recharging the battery before it reaches very low levels.

    Q: How do I monitor the battery's state of charge?

    • A: Use a battery monitor or a multimeter to check the voltage. You can also consider battery management systems (BMS) that provide more comprehensive information about the battery's status.

    Q: Can I connect multiple batteries in series or parallel?

    • A: Connecting batteries in series increases voltage, and parallel connections increase capacity. Ensure all batteries have the same voltage and capacity specifications. Use caution, and if unsure, consult the manufacturer or a professional.

    Q: What should I do if the battery gets hot during charging or discharging?

    • A: Stop charging or discharging immediately. Check for any malfunctions or incorrect connections. If the issue persists, contact the manufacturer for guidance.

    Q: How do I store the battery when not in use?

    • A: Store the battery in a cool, dry place with a partial charge (around 40-60%). If storing for an extended period, periodically check and recharge the battery to prevent over-discharge.

    Q: What safety precautions should I take?

    • A: Avoid exposing the battery to extreme temperatures, water, or physical damage. Follow the manufacturer's guidelines for safe handling, charging, and storage. If you have any concerns, seek professional advice.
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POWERWIN BT5120 48V 100Ah 5120Wh Lithium Battery 4 Pack 20480Wh

$6,796.00 $3,876.00