... 1 year warranty What we can doWe could provide the li-ion battery 18650 with the capacity of 1800mAh to 2600mAh. Such ... requirements. Such as 2S1P, 3S2P.Application:LED flashlight battery, cordless phone batteries, camera batteries, laptop/notebook batteries, GPS devices, PDA ... cooperating with you in the near future. 24V 8ah Rechargeable li ion battery pack for solar panel, solar energy system