How to activate the lithium battery on a cell phone

Introduction How to activate lithium batteries in cell phones? Nowadays, all lithium batteries are lithium batteries. For new devices, just charge them fully the first time. There is no need to charge them for 12 hours each time. times like the other batteries before.

How to activate the lithium battery on a cell phone

Nowadays, all lithium batteries are used. For new devices, the first full charge is sufficient. There is no need to charge it for 12 hours each time for the first three times like other batteries before. You can just use it and charge it as you go. No deep activation is required. It will be better to pay attention to the following points.

1

Lithium-ion batteries have a long lifespan. Lithium-ion batteries

are limited in the number of times they can be charged, but at the same time, lithium-ion batteries, like everything else, also have a limited lifespan

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.

2. Do not let the device completely run out of power. If the lithium-ion battery charge is too low, it may permanently damage the lithium-ion battery. So you can plug it in and charge it whenever it suits you

as long ase possible.

3. Lithium-ion batteries will not be overcharged and are protected by internal circuitry.

4. The biggest fear of lithium-ion batteries is the problem of excessive temperature.

Temperatures above 40 degrees will reduce the ability of lithium-ion batteries to be charged.

4. p>

of power.

How to activate lithium batteries if they have been left unused for too long

How to activate lithium batteries that have not been used for a long time:

1: Rechargeable batteries in series increase the operating voltage. First, connect them to All ordinary 12V rechargeable batteries, such as 48V/20A rechargeable batteries, are then connected to a series of 12V rechargeable batteries. The working voltage may be slightly increased or decreased. to 13V, then connected to the main charging head for chmoney. Wait for the light to change to green charging head. After the series rechargeable battery is removed, all ordinary batteries can be charged.

2: Parallel battery voltage conversion, a rechargeable battery in series is connected to a rechargeable battery of the same specification, such as a 48V/20A rechargeable battery, and a series connection is connected to a bank of normal rechargeable batteries. batteries. At this time, the operating voltage will flow into a low-voltage rechargeable battery to recharge the battery. After charging, the battery can be connected to the charging head.

3: Charging the low voltage battery. If the lithium-ion battery is not charged for a long time, it can first use a small low-voltage charging head to charge the battery slowly, such as 60V/20a rechargeable battery, then to 48v/20a to charge the small batterye. It can also be charged.

The method for activating the lithium battery if it has been idle for too long is as follows:

1 Prepare the battery lithium 18650 for. be activated and prepare a normal lithium battery, the required voltage is above 4.0V.

2. Prepare a section of wire. Peel off a small section of the outer skin on both ends of the wire to expose the copper wire inside, which can directly conduct electricity.

3. Connect the above two batteries (one is a normally charged battery and the other is a non-rechargeable battery) in parallel with wires - connect them in parallel for about 4 or 5 seconds. Determined according to the actual situation. Then separate and measure the voltage of the battery that could not be charged before. It will usually be above 3.0 volts.

At this point, the slow motionThe batterLithium batteries that cannot be recharged can be recharged. Note that you may see small sparks when two lithium batteries are connected in parallel. Sometimes the battery temperature rises, but it is not hot. It's normal.

If you try the above method several times and the old lithium battery still has no voltage, you can give up.

Note:

Self-discharge of lithium batteries will cause serious power loss, and low voltage at this time will cause excessive charging current, which can easily cause explosion .

Nowadays, many chargers have a charge protection function, which will automatically detect the battery voltage and automatically stop charging when the voltage is too low to avoid explosion.

In addition, it can also be activated with a special charger. Most batterieslithium battery can be activated with a universal charger.

Before activating, first use a multimeter to measure the battery voltage, then charge it with an adjustable DC power supply slightly higher than the battery voltage (0.5V-1 V). When the battery voltage rises enough, you can use the charger When charging, just use the charger to charge.

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