NORAUTO PREMIUM MF450 Manual Del Usuario página 53

OPERATION
4- Using Pre-charge mode
Sometimes, the weak battery can not fully recharge the batteryless jumpstarter, FAULT light turn on
during charging, then follow four simple steps to get your car started!
1. Pre-charge the booster by connecting it to a vehicle in good working order
(see section 2 Connection instructions).
2. Connect pre-charged jump starter to casualty car.
The indicators now shows voltage of the weak battery.
3. Press ON/OFF to active jump starter, indicators show up to 14V.
4. Turn on engine.
Different Pre-charge methods:
1. From a battery of a vehicle in good working condition (see explanation above)
2. From USB
The jump starter can be recharged from any 5V 2A USB port. Just plug in Micro USB adapter, it
starts recharging automatically.
3. From 12V socket
The jump starter can be recharged from a vehicle in good working condition.
Just plug in 12V adapter, it starts recharging automatically.
5- Using under Bypass mode
If the battery is too weak OR there is no battery in your car, and the booster failed to start your car
under Pre-charge mode, please resort to bypass mode as bellowing steps.
1. Pre-charge the jumpstarter by connecting it to a vehicle in good working condition.
(see point 2 Connection instructions).
3. Long press ON/OFF to active bypass mode.
4. Turn on engine.
2. Connect jump starter to car as figure1.
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