How to activate the lithium battery?

Introduction How to activate the lithium battery? Use a dedicated lithium battery charger. Once the lithium battery is connected to the charger, the light will turn orange and start charging. When the lithium battery reaches the full charge state, charging stops.

How to activate the lithium battery?

Use a dedicated lithium battery charger. Once the lithium battery is connected to the charger, the light will turn orange and start charging. When the lithium battery reaches full state, charging stops and the indicator light turns orange. finished charging.

Things to note when using lithium batteries:

The battery will enter a dormant state after being left for a period of time. At this point, capacity is lower than normal. The value and duration of use are also shortened. However, lithium batteries are easy to activate. After 3-5 normal charge and discharge cycles, the battery can be activated and restored to its normal capacity.

New lithium batteries do not require special methods or equipment during the activation process. The “natural activation” charging method using standard methods is best.

:

Dangers of a chLong-term arge and deep charging:

Long-term charging may result in overcharging. Lithium batteries or chargers will automatically shut off when the battery is fully charged. After the lithium battery is fully charged, it will be charged in vain when placed on the charger.

On some machines, if the charger is not removed after charging for more than a certain time, the system will not only not stop charging, but will also start a discharge-charge cycle . This harms battery life.

Long-term charging takes a long time and usually needs to be done at night. In many places, voltage at night is relatively high and fluctuates considerably. Lithium batteries are poorly resistant to charge and discharge fluctuations.

Shallow discharge and surface charge are more beneficial for lithium batteries. ADeep discharge and deep charge are only necessary when the product's power module is calibrated for lithium batteries. Therefore, products powered by lithium batteries do not necessarily have to follow the process. It's all about convenience and can be recharged at any time.

How to activate lithium batteries?

1. Discharge first: Discharge or resistance discharge can be used. When using the discharge, it should be at a level where it stops when the power is turned on. For resistance discharge, small electric beads connected to the corresponding voltage can be used to discharge for a long time until the small electric beads are connected and immediately. extinct.

2. Activation: Connect 12V AC power supply, connect a rectifier diode in series between the batrie and temporarily remove a light-emitting diode from other waste circuits to replace it, and check that it can be formed Pulsed DC is equivalent to superimposing DC and AC for 90 minutes, then using discharge or resistance discharge, and finally to load using the original method.

Example: When a Canon camera's battery was almost unusable, charging took just a few minutes. After processing, it took 90 minutes to load the number of photos. The value taken was close to the original level, indicating that the battery has expired. The principle is that pulsed direct current can penetrate the capacity of the battery passivation layer and activate it. Initial experiments have proven that charging with pulsed direct current is not only faster, but also extends battery life.

3. Freezing can also activate lithium batteries.

How to activate a lithium battery if it has been left unused for too long

Basically, charge it for about 10 to 12 hours, then use it until it is exhausted. it is completely discharged. After charging and discharging two or three times in this way, the performance of the lithium battery will be activated to a good level. But it's too much nowThe charge and discharge protection technology is very good, and the lithium battery has very little memory. It was activated before leaving the factory, so there is no need to specifically activate the battery. >Activating the lithium battery after too long of inactivity The specific method is as follows:

1 Prepare the 18650 lithium battery to be activated and a normal lithium battery with a tension. Requirement greater than 4.0 V.

2. Prepare a section of wire. Peel off a small section of the outer skinre 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 time, the unused non-rechargeable lithium battery can be charged. 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 lithium batteries 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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