Portable battery box 1.battery box for 12V 40AH battery 2.cig socket & USB outlet 3.with or without 10A solar controller Portable battery boxProduct name: Portable batter box with cig socket & USBModel number: SHS40BOEM/ODM avsilableTell us the requirements and price range you desire,we will bright you best performance product against your budget. Remarks:This solar power system is an independent ...