The easiest way to activate a dead lithium battery on mobilephone

1. Activate a dead lithium battery tip 1: Overvoltage method

Try 2x or 3x the voltage, reactivation may apply.

About battery voltage overvoltage: The voltage range of mobile phone lithium battery: 3.7-4.7v, you can use 6v voltage, if not, you can use 9v voltage.

Prepare with items:

Any available 4-6 batteries.

electric wire.

It is best to use a universal monitor, if you have no maintenance experience, you can avoid it.

Connect the available batteries in series, and use the wires to charge the phone battery with positive to negative to negative.

2. Activate a dead lithium battery tip 2: Freezing method

Wrap the unrechargeable cell phone lithium battery in paper, and then wrap it in a plastic bag. Put it in the refrigerator (below 0 degrees) for 1 week, take it out and store it at room temperature for 2 days, and then install it in the mobile phone. If the mobile phone can be turned on, charge it immediately until it is fully charged.

3. Activate a dead lithium battery tip 3: Wipe method

For the dead lithium battery of the mobile phone whose problem is not very serious, use a clean eraser to gently wipe the metal contact surface between the battery and the mobile phone. After a long time of use, the metal surface of the mobile phone battery has a certain degree of oxidation, resulting in poor contact. The time is shortened, and the oxide layer on the surface can be erased with a rubber sassafras, so that the contact between the battery and the mobile phone becomes better.

Activate a dead lithium battery In conclusion, if the lithium battery is in good condition, it is still necessary to pay more attention to the maintenance of the battery in normal use and master the correct use of the lithium battery, so that the lithium battery can serve us better.