Features: 100% Brand new and high quality! LED screen display. Easy operation interface. This controller applies in solar photovoltaic systems which coordinates the working of solar panels batteries and loads. It adds some protect functions so that the entire system can be in efficient and safe operation. Adjustable charge-discharge control parameters. This controller is thus especially suitable for lamps radios and a small televisions. All loads can be switched off using the manual load switch on the controller. PWM charging mode. Best choice for yourself or your friend.You will not be disappointed! Specifications: Size: 150*78*35mm Color: Blue!#!amp!*!Black Model: TX-20BL Type :2024(20A12/24V) Woke voltage: 12/24V Rate charge current: 20A Rate load current: 20A USB: 5V;2A(Imax) Package included: 1 x Solar Charge Controller