t20 20a 12v/24v pwm lcd display solar panel battery regulator charge controller three-time interval charger

1. lcd screen display. 2. easy operation interface. 3. parameter user can reset. 4. a key to open and close the load. 5. a key to restore the factory settings. 6. battery reverse discharge protection. 7. battery reverse polarity protection. 8. battery under voltage protection. 9. overload, short-circuit protection. 10. automatic temperature compensation function. 11. can charge and discharge at the same time, always keep the battery in full status.