Description:    PWM 12V 10A Auto PWM USB Solar Panel Battery Regulator Charge Controller LED   Features:   1.The charge circuit is characterized by high efficiency and low consumption by controlling the MOSFET of the ultra-low internal resistance with PWM. 2.Input and output LED display、 battery capacity indicator. 3.Built-in 5V USB charger and 12V output connector 4.Build-in-short-circuit protection、 open-circuit protection、 reverse protection、 over-load protection. 5.Current protection、 low heat production.   Specification:   1. Battery voltage: 12V 2. Charge current: 10A 3. Discharge current: 10A 4. Max Solar input: 17-22V 5. USB output: 5V 1A 6. No-load losses:!#!amp!*!lt;6mA 7.Size:125 x 67 x 34mm 8.Material: ABS    Package Included:      1 x PWM Solar charge controller    Details pictures: