12V 24V vehicle engine emergency start car booster battery power booster jump starter for truck

Attention

1. During emergency startup, the single ignition start time of the product should not exceed 10 seconds, and there should be at least 1 minute between the restart and the last start.

2. It is prohibited to charge with wiring terminals (original chargers must be used for charging); It is strictly prohibited to use in parallel with the original vehicle battery and other power sources.

3. It is prohibited to short-circuit or reverse connect the positive and negative poles, and the wiring terminals must be tightened during use.

4. It is prohibited to invert, side position, impact, disassemble the lithium battery power supply, and use it with the handle facing upwards.

5. It is forbidden to keep or use it near water, fire or Corrosive substance (it should be used in a ventilated and dry environment).

6. It is strictly prohibited to use a voltage lower than 24V for starting. If it is lower than 21V (it belongs to overdischarge use), please charge it in a timely manner (activate the electricity meter).

7. It is prohibited to store the product without charging for a long time (the battery level should be checked in a timely manner every month, and charging should be carried out in case of power shortage).