Shenzhen DJS Tech Co. Ltd. is a professional manufacturer specialized in the design and production of lithium battery pack and system, having 12 years of RD experience& and various kinds of lithium battery packenergy storage,EV power battery system producing experience.Our annual output is 50MWh/can provide OEMODM service.br UL CE ,CSA CEC ,JET certifications. Have been exported to more than 50 different countries . OEMODEM service offered.br