12V Battery Jump Starter, 300A, 20000mAh

12V 20000mAh battery jump starter with temperature protection can be used in -40~+80℃ (-40~+176℉) environment. It supports 12V gasoline vehicle (up to 6.0L) and 12V diesel vehicle (up to 5.0L).

Specification:

Tips: Steps of charging laptop with car battery jump starter

1. First confirm the input voltage of the laptop. If it is 20VDC input voltage, we can choose 19VDC voltage output port. If the battery jump starter is 12V/16V/19V 3 in 1 output port, there is no need to select.
2. Remove the battery from the laptop and then charging. It can also be directly plugged in the laptop. This mode of operation is viable. After connecting, it can also charge the laptop battery well.
3. Choose a suitable laptop charging connector that can be plugged in. There are 8 connectors for selection.
4. Connect the connector to the laptop.
5. Connect the laptop adapter to the connector again, here you can also connect them first, and then connect to the laptop.
6. After turning on the power switch of the car emergency battery starter, confirm that the output port meets the input voltage requirements of the laptop.
7. Plug the laptop cable into the laptop output port on the jump starter.