YINYOO Batteries Battery,Batteries,Company,Alkaline/Super heavy duty batteries,Lithium primary batteries,Lithium rechargeable batteries,Ni-MH/Ni-Cd batteries,Specialty batteries,Battery chargers Shenzhen Yinyoo Energy Technology Co., Ltd. is an important professional manufacturer of Li-Polymer, Li-ion, Ni-MH cells with intellectual property and core technology in China.