Shenzhen Double Red Technology Co.,LTD was founded in Shenzhen, China in 2010, specializes in producing external mobile battery chargers, including solar power bank, battery case, Bluetooth speaker.

With 17 years' industry expertise and a strong team of over 5 engineers,

Double Red develops original unique model to satisfy your expectation for new electronic gadgets.

All materials come into our factory must be inspected by IQC , to meet RoHS standards before the production.

IPQC PQC FQC stages during the production and OQC testing prior to packing ensure the 0.2% defect rate (For OEM orders).

CE Rohs FCC authentifications ensures smooth international transactions between us and our global customers.