... ISO9001-2008. 2.18650 cell 3.1 year warranty 7.4V 6600mAh lithium gps battery packRechargeable battery pack specification Model No ... 18650 with the capacity of 1800mah to 2600mah. such s 1800mah, 2000mah, 2200mah, 2400mah, 2600mah etc.besides, we could ssemble the ... batteries packs according to the customer’s requirementas. such s 2s1p, 3s2p 7.4V 6600mAh ...