1. Heatsink
Aluminum heatsink to dissipate controller heat
2. Mounting hole
Predrilled slot for mounting
3. Setting switches
Four setting switches to configure operation of the MPPT controller
4. Solar positive terminal
Power connection for solar (+) Solar
negative terminal
Power connection for solar (-)
5. Battery outputs. Positive port to connect to positive battery terminal (+). Negative port to
connect to negative battery (-) terminal.
6. DC load output
7. LCD screen
Indicate the operating status
8. LED indicators
LED indicators show charging status and controller faults
9. Wiring box cover
Box cover to protect power connections
10. Battery temperature sensor
Terminal for battery temperature. Controls charge current if battery is too hot.
11. RS-485 Port
Terminal for RS-485 communication