Why Shenzhen Grepow Battery Co., Ltd. ? Founded in 1998, we are an advanced technology company specialized in the research and production of Customized Rechargeable NIMH, LiPo, LiFePO4 cells and battery packs with BMS. Gensace and Tattu are our owned battery brands, which are mostly used in UAV and RC Hobby, where there are sales offices and warehouses in California USA and Germany with nice after-sales service, local visit, technical support and timely video or phone meeting without jet lag.After decades of development, Grepow is now one of the largest manufacturers of low resistance(<8mΩ), fast charge(1C to 5C), high discharge C-rate (1C to 50C)and high capacity(~100Ah & 200Ah) batteries in China. New product: Low Temperature LiFePO4 BatteryTemperature: Down to -40°CApplications: deep diving, polar region scientific investigation, medical electronics, etc.More options: Car Jump StarterPowersports starting batteryUAV/drone batteryRC hobby batteryRobot batteryE-bikeForklift BatteryModular Batteries12V 7Ah/100Ah/200AhPortable Power StationAdd: R-16C. Dunhuang Building, ZhuZiLin, Futian District, Shenzhen City, Guangdong Province, ChinaTel: +86 134 1895 9510Email: icey@grepow.com icey@gensace.comSkype: live:icey_167www.grepow.comwww.lokithorshop.comwww.genstattu.comwww.gensace.de