1. Different cells brand,shape(cylinder,prismatic,pouch),discharge rate(1C,3C,5C,etc)，temperature tolerance to choose. 2. Assemble to be different voltage,capacity,shape and different size. 3. PCM/BMS:Customized size,charge/discharge cut off voltage,over current detect value,etc.NTC/TDS can be added. 4. Connector/Terminal:You name it,we find it. 5. Lead wire:Customized materials,gauge,length. 6. Other special request:need box,charger,special certification,etc.,Just tell us and save your searching time.Dongguan XUANLI Electronics Co., Ltd. is found in 2009,located in Dongguan, Guangdong, China. We are a high tech ISO 9001 certified enterprise which is set R&D,manufacture and sales in a body. We focus on solving battery application problems for the global industrial users, main products including lithium ion battery pack, LiFePO4 battery pack, li-polymer battery pack and Ni-MH battery pack. Battery applications are industry instrument, medical equipment, power equipment, Security systems, Lighting device, Audio equipment,consumer electronics, and so on. Our mission is to power your life and protect the environment.Customized OEM/ODM service to save your time: We mainly make customized rechargeable battery with different shape, size, discharge current, color, connector, etc. You can add your own brand on the battery if you provide a brand authorization to us.Meet Quality standards :We always put safety above all, choose only high quality grade A battery cells for production, batteries will be fully inspected before shipment, with skillful technology, our battery defective ratio is no more than 0. 2 %, all batteries could pass testing like CB，UL,KC and so on.Battery shipment is unlike normal goods, but we can arrange shipment easily for you, normally the shipping ways are as below: UPS/DHL/Fedex HK,door to door service; Battery special line, door to door service; Air/Sea shipment to the requested port. 