12.8V 300Ah 3840Wh LiFePO4
Unleash the full potential of your off-grid system with the LANPWR 12.8V 300Ah LiFePO4 Battery. Delivering a colossal 3840Wh of energy with a robust 200A BMS, it is designed to power your entire RV, boat, or cabin for days. Despite its massive capacity, it weighs only 25.2 kg, making it the ultimate high-density energy solution with built-in Bluetooth monitoring.
Massive 3840Wh Energy: One single battery stores 3.84kWh of energy, equivalent to three standard 100Ah batteries. It can power a 500W load for over 7.5 hours, making it perfect for extended RV trips or backup power for days.
Powerful 200A Discharge: Equipped with a premium 200A BMS, it delivers consistent power for high-wattage devices (Max Load ~2560W). Unlike standard batteries that trip easily, this beast handles surges and heavy loads with stability.
High Energy Density: Replacing a 300Ah lead-acid bank (approx. 90kg) with this 25.2 kg LiFePO4 battery saves you over 60kg of weight, significantly improving fuel economy for your RV or boat.
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12.8V 300Ah 3840Wh LiFePO4
Product details
Description
Unleash the full potential of your off-grid system with the LANPWR 12.8V 300Ah LiFePO4 Battery. Delivering a colossal 3840Wh of energy with a robust 200A BMS, it is designed to power your entire RV, boat, or cabin for days. Despite its massive capacity, it weighs only 25.2 kg, making it the ultimate high-density energy solution with built-in Bluetooth monitoring.
Charging Guide
Recommended Voltage: 14.6V ± 0.2V.
Charging Current: Recommended 60A (0.2C), Max 200A.
Solar Panel: Recommend ≥1200W solar array to charge fully in one day.
Maintenance & Storage
Rebalancing: It is recommended to rebalance the battery voltage every 6 months.
Storage: Store at 50% SOC in a dry environment (-10°C to 50°C).
Safety & Protection
Waterproof IP65: Protected against dust and low-pressure water jets (Do not immerse).
0V Activation: Supports activation via specific chargers or solar panels (18V-36V) if BMS cuts off.
Included in the Box
1x LANPWR 12.8V 300Ah LiFePO4 Battery
2x M8 Terminal Bolts (14mm Length)
2x Insulating Caps
1x User Manual
Ready to Install
Off-Grid System / Home Backup
A single 300Ah battery can store 3.8kWh, enough to power essential home appliances (fridge, lights, fans) for over 24 hours during outages.
Marine / Trolling Motor
High capacity meets durability. Perfect for long days on the water with IP65 protection against splashes and moisture.
Extended RV Camping
Run your Air Conditioner and heavy loads longer. Two units in parallel (600Ah) can provide nearly 8kWh, giving you true energy independence on the road.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
Please read our FAQs page to find out more.
Can I connect these in series for 48V?
Yes, supports up to 4S (48V/51.2V) and 4P (Parallel). Make sure to balance voltages before connecting.
How fast can I charge this battery?
We recommend 60A, but it can accept up to 200A. With a 100A charger, it takes about 3 hours to full.