Lithium Battery | 12.8V 280AH | 3584Wh
GRANKIA LFP280-12.8 lifepo4 12v lithium ion battery 280ah for solar is ideal for off-grid solar applications, providing a reliable and efficient source of power.
The lifepo4 12v lithium ion battery 280Ah capacity provides a long-lasting source of power for your solar energy system. Lithium iron phosphate (LiFePO4) chemistry ensures a safe, stable, and long-lasting battery life.
Space-efficient design makes it easy to install and integrate into your solar energy system. No maintenance required, with a sealed design and no need for watering or equalization.

High Discharge Rate
Supports high discharge rates, making it suitable for applications with high power demands.
Compact Design
The battery’s compact design makes it easy to install and integrate into a variety of applications, including RVs, boats, and off-grid solar systems.
Long Cycle Life
Up to 6000 cycles at 80% depth of discharge (DOD), ensuring a long battery life.
Low Self-Discharge
Less than 2% monthly self-discharge rate, reducing energy loss and maintaining battery health.
Built-in BMS
Integrated battery management system (BMS) ensures safe and efficient operation, with features such as:
Solar Energy Storage Systems
Off-grid solar power systems
Hybrid renewable energy systems
Residential and commercial solar battery banks
Electric Mobility & Vehicles
Golf carts, e-boats, low-speed electric vehicles
High discharge rate and long lifespan for daily use
Marine & Boats
Power for trolling motors, fish finders, and onboard electronics
Lightweight and vibration-resistant alternative to AGM or lead-acid
Off-Grid Cabins & Tiny Homes
Long-lasting and low-maintenance energy storage
Ideal for remote living with limited grid access
Nominal Voltage: 12.8V
Nominal Capacity: 280Ah
Energy: 3584Wh
Charge Voltage: 14.6V
Discharge Cut-off: 10.0V
Standard Charge Current: 84A
Max Continuous Discharge: 140A
Cycle Life: ≥ 6000 cycles (@80% DoD)
Operating Temperature:
Charge: 0°C to 45°C
Discharge: -20°C to 60°C
To ensure safe and efficient charging of the LFP280-12.8 LiFePO4 12V lithium-ion battery, follow these guidelines:
| Model | LFP280-12.8 |
| Electrical Characteristics | |
| Rate voltage(VDC) | 12.8 |
| Rate capacity(AH) | 280 |
| Energy storage(WH) | 3584 |
| Cycle life | 6000 cycles @80% DOD |
| Months self discharge | ≤2% |
| Charge | |
| Charge voltage (VDC) | 14.6-15.2 |
| Charge current (A) | 84 |
| Max. charge current(A) | 140 |
| Charge cut-off voltage(VDC) | 14.6±0.2 |
| Discharge | |
| Discharge current (A) | 100 |
| Max. discharge current (A) | 140 |
| Discharge cut-off voltage(VDC) | 10 |
| Environment | |
| Charge temperature | 0 ℃ to 45℃ @60±25% RH |
| Discharge temperature | -20 ℃ to 60℃ @60±25% RH |
| Storage temperature | 0℃ to 40 ℃ @60±25% RH |
| Mechanical | |
| IP class | IP20 |
| Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Case material | ABS |
| Dimensions L*W*H(mm) | 522x240x218 |
| Weight(kg) | 34.4 |