Shenzhen Stand-By Electronic Ltd belongs to I.N.I Trading Limited which is a professional exporter in Hong Kong, and has our own rechargeable battery pack manufacturers. As a manufacturer, Shenzhen Stand-By Electronic is specialized in the development, manufacture and marketing of all kinds of polymer lithium batteries and battery related products. We have imported a perfect battery testing system to make perfect products. Through years of hard work, we have developed different voltages of ...