The combination way of the battery pack is up to the demand of the ... m Robert Liu from Great Power Battery Co.,Ltd .Our company is the one of biggest battery manufacturer in China.We would ... Battery Co.,Ltdfounded time:1994Our product range:NiMH battery,Lithium Manganese Dioxde battery,Lithium Thionyl Chloride Battery, Lithium Iron Primary Battery,Li-ion Battery,Li-polymer Battery,LiFeO4 Battery ...