Features:

• Built-in industrial micro controller.

• Big LCD display,with 5V USB charger.

• PWM charge management.

• Build-in short-circuit protection ,open-circuit protection,reverse protection,over-load protection.

• Specification:

  Model	RTD1220
  Battery Voltage	12V/24V auto
  Charge current	20A
  Discharge current	20A
  Max Solar input	<50V
  Buck charge	14.5V
  Float charge	13.7V
  Discharge stop	10.7V
  Discharge reconnect	12.6V
  USB Output	5V/2A
  Self-consume	<10mA
  Control mode	PWM
  Operating temperature	-35~+60℃
  Size/Weight	150*78*35mm/150g

   

• Dual mosfet Reverse current protection,low heat production.