... powerful performance than the other lithium battery and NIMH battery. 10C—30C for 26650 round cell and 3c continuous discharge rate for 200ah ... FriendlyNon-toxic, Non-contaminating-no rare metals, UL, CE, and SGS/ROHS approved,Easy to dispose of….No Heavy MetalsWide ... working temperature rangeFrom -25°C–+70°C (Extremely cold and extremely hot weather will not affect its performance)Flexible Form ...