Item Type: Solar Controller Weight: 118g / 4.16oz Product Material: ABS USB Output: 5V Output Method: USB Working Temperature: -35+60 Scope of Application: Solar panels, etc. Package List 1 x Solar Controller 1Fast Charging: Dual USB, type C all support fast charging protocol, make cell phone, power bank faster charging. 2Wiring Free Use: The DC5521 interface is directly connected to the controller, eliminating wiring hassles. 3Protection: Solar charge controller built in charging and discharging safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection. 4Universal: 12V, 24V acid batteries, lithium ion battery packs, lithium iron phosphate battery packs are universal and can be automatically recognized or manually adjusted. 5Photovoltaic Panel Drive Control: This product can use photovoltaic panels to drive the solar controller directly.