3.2V 50AH LiFePo4 BATTERY, LITHIUM BATTERY 1,LONG LIFESPAN OVER 2500 TIMES. 2,ENVIROMENT FRIENDLY. 3, ... FOR SOLAR POWER AND WIND POWER GENERATION.4,UPS LiFePo4 BATTERY MODELS TABLEMODELRATED CAPACITY(AH)INTERNAL RESISITANCE(mΩ) VOLTAGE(V)SIZE ... ) WEIGHT(g) IFP-P-10AH 10.0 <6 3.2 22*87*128 350±10 IFP-P-50AH 50.0 <4 ... *220 3500 ±50 IFP-W-10AH 10 <5 3.2 22*87*128350 ±10 IFP-W-50AH 50 <3 3.2 ...