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.
12V Lithium Ion Battery 280AH Features
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:
- Overcharge and over-discharge protection
- Short-circuit protection
- Temperature monitoring and control
- State of charge (SOC) and state of health (SOH) monitoring
Typical Applications
Solar Energy Storage Systems
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Off-grid solar power systems
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Hybrid renewable energy systems
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Residential and commercial solar battery banks
Electric Mobility & Vehicles
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Golf carts, e-boats, low-speed electric vehicles
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High discharge rate and long lifespan for daily use
Marine & Boats
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Power for trolling motors, fish finders, and onboard electronics
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Lightweight and vibration-resistant alternative to AGM or lead-acid
Off-Grid Cabins & Tiny Homes
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Long-lasting and low-maintenance energy storage
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Ideal for remote living with limited grid access
Technical Specifications
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:
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Charge: 0°C to 45°C
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Discharge: -20°C to 60°C
Charging the 12V Lithium Ion Battery
To ensure safe and efficient charging of the LFP280-12.8 LiFePO4 12V lithium-ion battery, follow these guidelines:
Recommended Charging Methods
- Solar Charging: Connect the battery to a solar charge controller, which regulates the energy flow from the solar panels to the battery.
- AC Charging: Use a lithium-ion battery charger, specifically designed for LiFePO4 batteries, to charge the battery from an AC power source.
- DC Charging: Connect the battery to a DC power source, such as a generator or another battery, using a DC-DC charger.
Charging Parameters
- Charge Voltage: 14.4V – 14.6V (recommended)
- Charge Current: Up to 84A (recommended)
- Charge Temperature: 0°C to 45°C
Charging Stages
- Bulk Charging: Charge the battery at a high current (up to 50A) until the voltage reaches 14.4V.
- Absorption Charging: Reduce the charge current to 10A – 20A and maintain the voltage at 14.4V for 1-2 hours.
- Float Charging: Reduce the charge current to 1A – 5A and maintain the voltage at 13.6V – 13.8V.
Charger Selection
- Lithium-Ion Battery Charger: Select a charger specifically designed for LiFePO4 batteries, with a compatible voltage and current rating.
- Charger Settings: Configure the charger settings according to the manufacturer’s instructions and the battery’s specifications.
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