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PSL-12500 LiFePO4 Battery by Power-Sonic - 12.8V/51.4AH U1 Size

Regular price $494.95

Consider the Powersonic LiFePO4 PSL-12500 Battery. This Medical Cart Replacement Battery is a rechargeable Lithium Iron Phosphate Battery delivering 12.8V/51.4AH of power. When compared to the old sealed lead acid batteries - this LiFePO4 Provides up to 10X longer cycle life, at 40% the weight, AND it deliver twice the output - even at high discharge rates. The integrated battery management system and impact resistant case- allow for optimal SAFETY and PERFORMANCE. 


  • Super safe lithium iron phosphate (LiFePO4) chemistry reducing the risk of explosion or combustion due to high impact, over-charging or short circuits
  • Battery Management System (BMS) controls the parameters of the battery to provide optimum safety by protecting against over-charging and over-discharging
  • BMS enhanced design balances the battery cells, optimizing battery performance
  • The battery will communicate with most smart charging (power module) systems
  • Enhanced electrical design for reduced heat generation
  • Delivers twice the power of lead acid batteries, even at high discharge rates, while maintaining constant power
  • Faster charging and lower self-discharge
  • Up to 10 times more cycles than lead acid batteries
  • Compact: only 40% of the weight of comparable lead acid batteries
  • Rugged impact resistant ABS case and cover flame retardant to UL94:V0



  • Nominal Voltage: 12.8V
  • Rated Capacity: 51.4 AH at a Constant Current of 0.2C to 10V
  • Dimensions: Length: 7.68” Width: 5.12” Height: 7.20”
  • Weight: 12.98lbs
  • Stored Energy: 658 Wh
  • Cycle Life (@DOD100%) 2500 Cycles
  • Internal Resistance: ≤30.0 mΩ
  • Max Charge Current: 20 A
  • Max Discharge Current: 20 A
  • Charge Cut-off Voltage: 14.6 V
  • Life Expectancy: (years) 6 years at one cycle per day
  • Terminal Type: M6 threaded insert (female threaded)
Spec sheet

MSDS (Material Safety Datasheet)