Shenzhen Powerfirst Technology Co.,ltd is a direct manufacturer of battery packs. Powerfirst Industrial (HK) Co., Ltd is the export window ; We are dedicated to manufacturing all types of batteries for use in various laptops, digital cameras, camcorders, PDAs, mobile phones, walkie-talkies and universal internal & external batteries, single chargers & multifunctional chargers as well as related products. We also deal with photogriphic accessories i.e battery grip ,lcd protector ,lens hood ,uv ...