... : 1, long lifespan 2, enviromental friendly 3, different material to choose 4, 18mmX65m 18650 Lithium iron phosphate battery :1, long lifespan2 ... , enviromental friendly3, different material to choose4, 18mmX65mBATTERY MODEL 18650 LiFePo4 BATTERY WEIGHT(g) ≤35 POWER DENSITY(W/kg)≥1140 ... RATED VOLTAGE(V) 3.2V ENERGY(Wh) 3.2 VOLUME DENSITY(W/L) ≥2400RATED CAPACITY(Ah) 1.0Ah ENERGY DESITY(WH/kg ...