1. Heatsink
Aluminum heatsink to dissipate controller heat
2. Mounting hole
Keyhole 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 positive terminal
Power connection for battery (+)
Battery negative terminal
Power connection for battery (-)
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
Sheet metal wiring box cover protect power connections
10. RS-485 Port
Terminal for RS-485 communication
11. Battery temperature Sensor
Terminal for battery temperature. Controls charge current if battery is too hot.
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