Monster POWER GRID 300 User Manual page 10

TRICKLE CHARGE INSTRUCTIONS
How to operate the "trickle charge" feature?
1. To save power while recharging the vehicle battery, please make sure vehicle electronic appliances are OFF, for
example: AC, FM, Speaker, lights etc.
2. Press the "DC ON/OFF" button to turn on the DC output feature.
3. Connect the car charger cable to the "DC" output port (see below image) , then insert the other end into the 12V
cigarette lighter socket of the vehicle.
4. The product will start to charge the vehicle battery, it will take about 30 minutes (depends on the vehicle battery size
and the power state of the discharged battery) for the vehicle to get enough power to jumpstart.
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