1 Esource Technology specializes in R&D, manufacturing, OEM and ODM, marketing and sales of Battery PCM and Rechargeable Battery Packs and Solar related products, including battery PCB, battery PCBA, portable power packs, universal laptop batteries, mobile power, power bank, external batteries, back up batteries, solar chargers, solar bags, solar backpack etc. 1 Esource Technology Co., Ltd was founded in 2002 in ShenZhen, China. An ISO 9001: 2000 certified company. At present, 1 Esource Technology owns an industrial area of nearly 3, 500 square meters, more than 300 employees and its integrated production lines. Its monthly production capacity are over 1.5million sets. To ensure high quality standard of all products, 1 Esource Technology is not only equipped with advanced manufacturing facilities and strict QC management systems, but also coupled with experienced technical talents and skillful workers. Our products are mainly exported to USA, Europe and Asia.