Strobl / Airbatt solar chargecontroller - trailer (4 batteries)

Solar charge-controller for charging 1 or more Lead-Acid or LiFePO4 batteries in the trailer.
The SLR4125 has 4 separate outputs for charging 4 batteries as well as a special program to avoid overcharging the batteries.
It is also protected against overload and polarity reversal.
The charging status is displayed via a multifunction LED.

The charge controller can be used as a successor to OS3 and to a limited extent for OS1 (from Strobl).


Technical features:
- No self-consumption (reverse current).
- Automatic overcharge protection.
- Optimal full charge and charge retention.
- Short-circuit proof.
- Reverse polarity protected.
- High charging efficiency.
- Status displayed by LED.

Specifications:
Maximum charging current: 12A
Input voltage: 17-30V
Charging voltage:14.8V
Standby voltage: 13.8V
Weight: 90g
L: 99mm
W: 89mm
H: 34mm


LED indications:
Off / off: No batteries connected / Solar panel does not supply enough voltage.
Blinking: Batteries are charging.
Continues light: Full charge voltage reached -> Standby voltage.