Coremax concentration on Lithium ion, lithium polymer battery, Lithium battery packs and related chargers. With latest technology, Coremax is capable to provide ultra-thin lipo batteries, the battery is produced from 0.5mm to 2mm; For 18650 battery pack : wide range volt from 3.7v to 48v, capacity from 30mAh to 10000Mah. Both chemical by NiCoMn and LiFePo4. With self design Battery management systems, Coremax provide solutions for all kinds of applications and products. like medical device and power, power tools, garden tools, electric vehicle, electric bikes, lighting, home appliances and Energy storage. We would glad to share our expertise with you on rechargeable Lithium batteries?