10A/30A PWM Solar Charge Controller 12V/ 24V Solar Panel Regulator LCD Dual USB-

Discharging Current 10A 10A 10A 20A 30A 30A. 30A Model 12 V: 360 W (MAX), 24 V: 720 W (MAX). Charging Current 10A 20A 30A 40A 50A 60A. 10A Model 12 V: 120 W (MAX), 24 V: 240 W (MAX). - Automatically manage the work of solar panel and battery in solar system.

eBay