400Ah 12V LiFePO4 Off-Grid Battery Kit
Overview
The 400Ah 12V LiFePO4 Off-Grid Battery Kit includes two ALPHA 2 LITE 12V 200Ah batteries connected in parallel to provide a 5.12kWh deep cycle lithium battery bank. This system offers reliable power suitable for RVs, boats, off-grid homes, and solar energy setups.
Each ALPHA 2 LITE battery is built with lithium iron phosphate cells designed for long life, thermal stability, and low maintenance. The kit ensures consistent energy delivery and serves as a dependable backup power source.
Benefits
- Provides high capacity energy storage with 400Ah at 12 volts, supporting medium to large off-grid systems
- Uses lithium iron phosphate cells for efficient energy use and low self-discharge
- Includes a built-in battery management system offering protection against overcharge, over-discharge, short circuits, overcurrent, and temperature extremes
- Individual cell fuses prevent damage from cell failures and maintain battery operation
- Durable design suitable for operation in high temperature environments
- Low maintenance with plug-and-play setup requires no watering, venting, or complex wiring
Features
- High-capacity energy storage delivering 400Ah at 12V (5.12kWh total)
- Premium lithium iron phosphate cells providing over 10 years of lifespan
- Advanced battery management system (BMS) with protections for overcharge, over-discharge, short circuit, overcurrent, and temperature extremes
- Each cell individually fused to isolate faults and ensure overall battery safety
- Compact and rugged design weighing 52.9 pounds with dimensions of 20.9 x 8.1 x 8.5 inches
- Includes two 1-foot 2 AWG battery cables and removable carry handles
- Short circuit protection included
Specifications
- Nominal voltage: 12.8V
- Nominal capacity per battery: 200Ah
- Minimum capacity: 199Ah
- Cycle life: More than 4000 cycles
- Energy per battery: 2560 watt hours
- Charge voltage: 14.4V
- Continuous discharge current: 200A
- Self-discharge rate: Less than 5% per month
- Charge temperature range: 0°C to 55°C
- Discharge temperature range: -20°C to 60°C
- Storage temperature range: -10°C to 45°C at 90% relative humidity maximum for periods longer than three months
- Battery dimensions: 20.9 x 8.1 x 8.5 inches
- Weight: 52.9 pounds
- BMS features:
- Overcharge detection voltage: 3.75V ± 0.03V
- Overcharge detection delay time: 1000ms ± 500ms
- Overcharge recovery voltage: 3.55V (minimum 3.40V, maximum 3.60V)
- Over-discharge detection voltage: 2.20V ± 0.08V
- Over-discharge detection delay time: 1000ms ± 500ms
- Over-discharge recovery voltage: 2.70V ± 0.10V
- Short circuit protection enabled
- Removable carry handle for convenience
- Lightweight design
- Protection from excessive heat
- Warranty: 5 years