Easun Power 12V 300AH LiFePO4 Battery Pack BMS Grade A Cell No Tax Support Parallel
More Energy. Less Weight. Built to Expand.
Store 3840Wh of dependable energy in one 12.8V 300Ah LiFePO4 battery. With a built-in BMS and up to 200A maximum discharge current, it is designed for demanding RV, solar, marine, backup, and off-grid power systems.
3840Wh of Dependable Deep-Cycle Power
A high-capacity lithium battery designed for RV, marine, solar, backup, and off-grid energy-storage applications.
Store dependable deep-cycle energy for RV, marine, solar, backup, and off-grid power systems.
Integrated protection helps manage overcharge, over-discharge, overcurrent, short circuit, and abnormal temperature.
Long cycle life delivers dependable performance under the specified laboratory testing conditions.
Supports compatible high-demand DC loads and appropriately sized inverter power systems.
Supports efficient charging with a compatible 14.4–14.6V LiFePO4 charging profile.
Reduces handling weight compared with many equivalent-capacity multi-battery lead-acid systems.
Expand with identical batteries from 3.84kWh up to 61.44kWh of nominal energy.
The 522 × 268 × 222mm enclosure suits many mobile and space-conscious installations.
One Battery. Multiple 12V Power Applications.
Designed for RVs, boats, solar storage, backup power, golf carts, compatible neighborhood electric vehicles, DIY battery banks, and off-grid energy systems.
This is a deep-cycle energy-storage battery and is not designed as an automotive engine-starting battery.
High-Capacity Power with Built-In Protection
The 12.8V 300Ah battery stores 3840Wh of nominal energy and combines LiFePO4 chemistry with an integrated BMS, long cycle life, and flexible system expansion.
3840Wh Energy for Everyday Essentials
Power common appliances, electronics, and essential equipment during RV travel, camping, emergency backup, and off-grid living.
Runtime figures are theoretical estimates based on nominal battery energy. Actual runtime varies with inverter efficiency, appliance startup power, duty cycle, temperature, and battery condition.
Lighter, Smaller, and More Usable Than AGM
LiFePO4 technology provides higher usable energy with less maintenance and lower installation weight than many traditional lead-acid battery configurations.
The official battery dimensions are 522 × 268 × 222mm, and the specified product weight is 25.6 ± 1kg. Comparison results vary by AGM battery model and system configuration.
How to Build a 12V Solar Power System
Connect the battery to appropriately rated busbars and a compatible inverter, then charge it through a LiFePO4-compatible MPPT solar charge controller.
The diagram is for reference only. Solar panels, controller, inverter, cables, busbars, fuse, switch, shunt, and monitoring equipment are sold separately unless specifically included in the selected package.
Start Small. Expand Up to 61.44kWh.
Begin with one 3.84kWh battery and expand with identical batteries up to a 4S4P configuration for a 51.2V 1200Ah system.
Fully charge and balance every battery before connection. Use only identical batteries of the same model, capacity, age, and operating condition.
Technical Specifications
Core specifications for the EASUN POWER EA-12V-300Ah LiFePO4 battery.
| Model | EA-12V-300Ah |
|---|---|
| Battery Chemistry | LiFePO4 |
| Nominal Voltage | 12.8V |
| Nominal Capacity | 300Ah |
| Nominal Energy | 3840Wh |
| Cell Configuration | 3.2V 300Ah, 4S1P |
| Dimensions | 522 × 268 × 222mm |
| Weight | 25.6 ± 1kg |
| Cycle Life | More than 6000 cycles |
| Cycle Test Conditions | 25°C, 0.5C, 100% depth of discharge |
| Recommended Charging Voltage | 14.4–14.6V |
| Discharge Cut-Off Voltage | 10V ± 0.5V |
| Maximum Charging Current | 150A |
| Maximum Discharge Current | 200A |
| Charging Temperature | 0°C to 55°C |
| Discharging Temperature | -20°C to 55°C |
| Maximum Series Connection | 4 batteries |
| Maximum Parallel Connection | 4 batteries / 4 parallel strings |
| Maximum System Configuration | 4S4P, up to 16 identical batteries |
| Recommended Charger | 14.6V LiFePO4 charger, 50–150A |
Safety & Installation Note
This battery is designed for deep-cycle energy storage in compatible 12V, 24V, 36V, and 48V systems.
- Use a charger or controller with a compatible LiFePO4 charging profile.
- Install correctly rated cables, terminals, fuses, and circuit protection.
- Verify positive and negative polarity before connecting the battery.
- Do not charge the battery below 0°C.
- Switch off connected equipment before installation or maintenance.
- Follow the official product manual and applicable local electrical regulations.
12V 300Ah LiFePO4 Battery FAQ
How much energy does a 12V 300Ah battery store?
The battery stores 3840Wh of nominal energy, calculated from 12.8V × 300Ah. Actual usable output depends on the connected load, inverter efficiency, temperature, and battery condition.
Is this battery suitable for an RV?
Yes. It is designed for deep-cycle RV energy storage and can power compatible lighting, refrigerators, electronics, pumps, and inverter loads. Confirm that your charger, inverter, cables, and protection devices are correctly rated.
What charger should I use?
Use a LiFePO4-compatible charger with a recommended charging voltage of 14.4–14.6V. The recommended charging-current range is 50A to 150A.
What is the maximum discharge current?
The specified maximum discharge current is 200A. The connected load, inverter, cables, fuse, terminals, and other system components must all be rated for the required current.
Can multiple batteries be connected together?
Yes. The battery supports up to four units in series and four parallel strings, allowing a maximum 4S4P configuration using 16 identical batteries.
How should I prepare batteries before series or parallel connection?
Fully charge every battery separately and confirm that the voltage difference is no more than 0.1V. Use batteries of the same model, capacity, manufacturer, age, and operating condition.
Can this battery be charged below freezing?
No. The specified charging-temperature range is 0°C to 55°C. Do not charge the battery below 0°C unless a suitable external temperature-control solution is installed.
Can it replace a lead-acid battery bank?
It can replace many compatible deep-cycle lead-acid configurations, but the existing charger, solar controller, inverter, and voltage settings must support LiFePO4 batteries.
Can this battery start a car or RV engine?
No. This product is intended for deep-cycle energy storage and is not designed as an automotive engine-starting battery.
Are the solar panels and inverter included?
No. Solar panels, inverter, MPPT controller, cables, busbars, fuse, switch, shunt, and monitoring equipment are sold separately unless they are specifically listed in the selected package.
