Solar Talkers MPPT Solar Charge Controller 12V/24V 40A USB Dual Port

 Intelligent maximum power point tracking technology increases efficiency 25%~30%

2. Three stage charging optimises battery performance 

3. Maximum charging current up to 40A

4. Maximum efficiency up to 98%

Features:

Automatic identification system voltage, 12/24V auto recognition.
Humanized LCD displaying and double button operation of man-machine interface.
Completed technical data for setup and modify. High efficiency intelligent MPPT 3-stage charging mode.
The load control mode can be selected, the timer function can be reset for street light at night.
Discharge capacity control.
Discharge counter of ampere hour.
Reliable over voltage protection, short circuit protection, over load protection, overcharge protection, over-discharge protection.
Accurate temperature compensation, correcting the charging and discharging voltage automatically, improving the battery lifetime. 

Solar panels, battery, solar charge controller positive poles are all connected together, adopting negative MOSFET in series control circuit.

Specifications:
Current: 40A

Max. PV Voltage: 100V

Rated Voltage: 12/24V
USB Output: 5V 1.2A
Over Charge Voltage(V): 13.8V/27.6 
Over Discharge Voltage(V): 10.8V/21.6V
Temperature Compensation: -3mv/°/cell