... 3,OEM&OBM&ODM 4,CE&ROHS high capacity longtime outdoor rechargeable battery:1.3.7v liion rechargeable battery pack for outdoor sound&outdoor ... to 1200mah7,easy to use and safety8,different with other products10years battery manufacturing experience,excellent service idea,We think we ... have good relation with our supplier and customer,so that we can supply the product of battery supply chain and ...