Delong Energy is a enterprise which dedicated to the R&D, manufacture and sales of rechargeable lithium ion battery packs. Delong Energy was founded in 2012, with its factory in Guangdong, China.

Since its establishment, Delong Energy is committed to serve global portable power bank, storage energy battery pack, power battery pack, backup battery pack and special usage battery users. During 9 years development, Delong Energy has become a world’s leading supplier of lithium ion battery pack.