OPERATION GUIDANCE
Indicator Light
Press the switch to check the storage level:
The Indicator will flash one by one during the period of charging. Different
number of solid indicators show different storage levels. All indicators light
off when the charging is paused or completed.
How to Charge the JT240
1. Plug the USB charger cable to any working USB output port.
2. Connect the Micro Connector to the JT240 and the charging indicator will
flash.
How to Jump Start a Vehicle
Before connecting to the vehicle battery, verify that is a 12-volt battery. Make
sure that the JT240 battery booster is over 50% charged. If you have not use
the jump starter more than two months, should charge it first.
Step 1:
Connect the blue smart cable plug to jump starter.
Step 2:
Connect Red Clamp to the positive (+) battery terminal, Black Clamp
to the negative (-) battery terminal.
Step 3:
Wait for the indicator to turn green and start the car by turning on
the ignition.
Step 4:
Remove clamps and pack away.
