Product Description

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

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