... *67mm 5.5-7 days after confirm order 7.4V 2200mAh li ion battery packRechargeable battery pack specification Model No.TLH ... the capacity of 1800mah to 2600mah. such s 1800mah, 2000mah, 2200mah, 2400mah, 2600mah etc.besides, we could ssemble the batteries packs ...