20A Solar Charge Controller 12V/24V Auto, Solar Panel Battery Controller 20Amp PWM Solar Regulator with Dual USB LCD fit for Small Solar System

Key features

• 20A Solar Charge Controller 12V / 24V Auto work; Max input voltage: 40V; Max PV power 240W /in 12V, 480W / in 24V. With Dual 5V / 2A max.
• Three Load work mode (Settable), 【1-23H】and 【0H】both belong to the light control mode, and the load will turned off at dawn. 【24H】Load output 24 hours (except for battery under voltage) 【1-23H】Load on after sunset and closed after setting hours (turn off load after dawn) 【0H】Dusk to dawn (the load will turned off at dawn)
• Solar Charge Controller 20 amps only suitable for lead acid batteries: OPEN, AGM, GEL, not for nickel hydride, lithium, Liions, or other batteries.
• For protecting the lifespan of your battery, once the voltage of the battery drop below 9V, the solar controller will turn off automatically
• Easy to install and operate: Please always connect the battery before connect the solar panel, only suitable for small home solar system.