Shenzhen Northem Power Technology Co., Ltd. has more than 10 years of experience in the R&D, production and sales of lithium-ion batteries. The laboratory will conduct more than 11 different strict quality tests for each batch of batteries. Our main products include power-type lithium battery packs such as electric bicycle lithium batteries, electric motorcycle lithium batteries, electric wheelchair lithium batteries and solar energy storage lithium battery packs. We meet the needs of all customers with automated equipment, skilled workers and a large production capacity of up to 80,000 pcs per day. The annual sales of batteries exceed 50 million dollars. In addition, OEM&ODM services are provided according to the different requirements of customers. We promise 1 year warranty for your battery and our engineer can continue provide tech support after your order.