Dongguan Large Electronic Co., Ltd (hereinafter referred to as LARGE) ,Website:http://www.large-batterys.net, her headquarter is located in Dongguan, a famous industrial city in the Big Pearl River Delta of China. LARGE is an integrated high-tech Enterprises which involves in R & D, manufacture, marketing of rechargeable Li-ion battery solutions and supplying high-quality battery packs. After many years’ effort, LARGE has grown to a prestigious provider of battery solution and product, her technology, quality and service all rank in leading position in global market. The products are widely used in Military, Medical, Financial payment, Smart Home, Security, Transportation, Logistics, Mining, Consumer Electronics and other fields. Her Joint Venture, Yangzhou LARGE and Shenzhen LARGE manufacture cost-effective Carbon Zinc Battery, Alkaline Battery, 3 V Lithium Manganese Button Cell and Nickel Metal Hydride batteries at big quantity every year and enjoy a good reputation and public praise in customer group. In line with the concept of Convenience , Safety, Pro-environment, Renewable , LARGE is actively researching and developing small and medium-sized energy storage batteries, monitoring system of distributed Photovoltaic (PV) power generation , portable and grid/ off-grid all-in-one machine of energy storage, photovoltaic (PV) grid inverter