If you've been looking for a solar charge controller, then your search is over! That's because our product has over-current protection, short-circuit protection, open-circuit protection, and reverse connection protection, safe for your device. Features -Color:Green -Material:Plastic and electronic element -Size:13.35X7.00X2.40cm/5.25X2.75X0.94in -Made of material for lasting use. -Can be used to charge battery. -Multiple protection, protect your devices from damaging. -LCD display, easy to read and use. -Note: Do not disassemble it yourself. It is suitable for normal temperature environment. Specification - Voltage: DC 12V/24V - Display: LCD screen - Overcharge protection: 14.4V/28.8V - Overcharge and float charge: 13.7V/27.4V - Charging recovery voltage: 12.6V/25.2V - Over discharge protection: 10.7V/21.4V - Over discharge recovery: 12.6V/25.2V - Dual USB output: 5V/2A (charging mobile phone, etc.) - Working temperature: -35 degree centigrade-60 degree centigrade - 12V is suitable for 18V solar panels, 24V is suitable for 36V solar panels - 12.0 volt battery - The float voltage is set to: 13.6 - The recovery discharge voltage is set to: 12.6 - The discharge cut-off voltage is set to: 10.7 - 12.8V lithium iron phosphate battery - The float voltage is set to: 14.6 - The recovery discharge voltage is set to: 13.6 - The discharge cut-off voltage is set to: 11.0 - 11.1V lithium battery corresponding - The float voltage is set to: 12.6 - The recovery discharge voltage is set to: 11.6 - The discharge cut-off voltage is set to: 9.6 Package list: 1 x solar controller