JB BATTERY, a OEM rechargeable battery manufacturer in China over 10 years. Specialized in lithium ion forklift battery, custom nimh battery packs, Lithium polymer battery, LiFePO4 battery and Li-ion Battery pack. Our batteries got UL, IEC62133, CB, CE, ROHS certifications, some models also passed by KC, BIS. Address: Huinan High-tech Industrial Park,Huizhou City, Guangdong,China Phone: (+86)-15016086206 Email: [email protected] Website: https://www.lithiumbatterychina.com/blog/category/telecom-battery-backup-systems/ read full review »