Power adapter/inverter Dometic CoolPower M 50U

Dometic CoolPower M 50U is a universal 12 V voltage monitor and power adapter intended for use with cool boxes and other 12 V appliances. It monitors vehicle or boat battery voltage and prevents deep discharge by cutting power to the connected device when voltage falls below a preset threshold. The unit restores power automatically when the battery voltage returns to an acceptable level. Compact dimensions and a black finish make it suitable for transport and installation in vehicles and boats.

Advantages

The Dometic CoolPower M 50U provides automatic battery protection to avoid starting-battery drain from cooling boxes and similar 12 V equipment. Its universal design supports a wide range of 12 V appliances and its compact form factor facilitates installation in limited spaces. Automatic cut-off and automatic restart remove the need for manual disconnection and reduce the risk of leaving devices connected after parking.

Suitable for

• Protecting vehicle starting batteries from discharge by 12 V cool boxes
• Use in cars, motorhomes and boats with 12 V electrical systems
• Connecting portable refrigeration units and other small 12 V appliances

Key specifications

• Product: Voltage monitor / power adapter for 12 V appliances
• Model: Dometic CoolPower M 50U (MPN 9600000446)
• EAN: 4015704252828
• Dimensions (W × D × H): 177 mm × 36 mm × 123 mm
• Colour: Black

How to use

Install the CoolPower M 50U between the vehicle or boat battery supply and the 12 V appliance according to the manufacturer’s wiring instructions. Once connected, the unit continuously monitors battery voltage and will disconnect the appliance automatically if voltage drops below the protection threshold. When normal voltage is restored, the device will reconnect the appliance without user intervention. Verify connections and polarity before applying power.

Recommendations

For reliable operation, use the CoolPower M 50U with compatible 12 V appliances and check the installation against the vehicle or boat electrical system documentation. Periodically inspect wiring and connectors for corrosion or damage, and follow battery maintenance best practices to ensure proper protective function.