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CTECHI is an expert in battery solutions, specializing in ODM, OEM, and SKD for energy storage, motive power, and consumer batteries.

Analysis on the classification and maintenance of notebook batteries

Speaking of battery materials, the batteries currently used in notebook computers are mainly divided into three types: 1. Ni-Cr batteries, 2. Ni-MH batteries, 3. Lithium batteries; they are generally expressed as: Ni-Cd NI-CD, nickel Hydrogen NI-MH, lithium battery LI.

Notebook battery maintenance:

1. Activate a new battery

The common practice of manufacturers is new When the notebook is turned on for the first time, the battery should have a power of 3%. At this time, you should not use the external power supply, but use up the remaining power in the battery until it is turned off, and then use the external power supply to charge. Then, the battery must be used up and then recharged. The charging time must be more than 12 hours. Repeat three times to activate the battery.

2. Minimize the number of times the battery is used.

The number of times the battery is charged and discharged is directly related to the lifespan. Every time the battery is charged, the battery takes a step towards retirement. It is recommended that you use an external power source as much as possible, and the battery should be removed when using an external power source. If you often plug and unplug the power supply multiple times a day, and the laptop is equipped with a battery, the damage to the battery will be even greater. Because each time the external power supply is connected, it is equivalent to charging the battery once, and the battery life is naturally lost.

3. Recharge after the battery is exhausted and avoid excessive charging time

Regardless of whether the notebook uses lithium or nickel-metal hydride batteries, be sure to use up the battery before charging (the battery is lower than 1%), this is the best way to avoid the memory effect. Lithium battery also has a memory effect, but its memory effect is smaller than that of Ni-MH, and it is only charged after the battery is completely used up. Partial charging and discharging may cause the chemical properties of the cells in the battery to be inconsistent, and the battery performance will decline.

It is recommended to deeply discharge the battery every few months to optimize battery performance. The specific method is to use battery power supply and use it until the battery capacity reaches 0% (at this time the system will automatically enter the sleep or standby state, depending on the settings in the BIOS). Then connect the AC charger until it is fully charged. The battery has been stored for a long time, and the battery has a natural discharge process, which has been discharged naturally, which does not affect the capacity of the battery. When charging for the first time, you should charge the battery continuously for 12 hours, and fully charge and discharge three times (refer to the battery maintenance section) to fully wake up the new battery. If the battery has been stored for several months If it is not used, it is recommended to charge and discharge it three times. If a battery still cannot be charged after 12 hours or three cycles of charging and discharging, the battery cannot be used and needs to be replaced.

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