18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah
polymer lithium battery

Primary battery

Rechargeable Battery

LR03 alkaline battery

button battery cr2032

release time:2024-09-10 Hits:     Popular:AG11 battery

Can button battery cr2032 packs be without protection boards?

 

Why do some people think that button battery cr2032 packs can be without protection boards? A big reason is the emergence of lithium iron phosphate batteries. Because there is news that lithium iron phosphate battery packs are not afraid of overcharging or over-discharging, the argument that lithium-ion batteries can be without protection boards has emerged. However, so far, there has been no battery manufacturer that has publicly claimed that they do not use protection boards.

 

The protection board of a button battery cr2032 pack is a charge and discharge protection for a series of button battery cr2032 packs. When fully charged, it can ensure that the voltage difference between each single cell is less than the set value, realize the equalization of each single cell of the battery pack, and effectively improve the charging effect under the series charging method.

 

When lithium-ion batteries are completely unaffected by overcharging, over-discharging, etc., and when the use of protection boards can be completely replaced in the design of lithium-ion batteries themselves, lithium-ion batteries can be without protection boards, but at this stage, button battery cr2032 packs still need protection boards. Of course, if the protection board is not designed well, it will also damage the battery. Therefore, when purchasing button battery cr2032 packs, it is best to purchase lithium-ion batteries produced by regular manufacturers through regular channels. In this way, the quality of lithium-ion batteries is more guaranteed.

 

If the button battery cr2032 pack does not use a protective plate, the battery life will be greatly reduced for some electric vehicle users who do not pay attention to the daily maintenance of the battery, and more failure problems will also occur, leading to some dangerous situations.

 

During the use of lithium-ion batteries, every overcharge, over-discharge, and short-circuit will reduce the battery life. In severe cases, the battery will be directly scrapped! Generally, the overcharge voltage of a single button battery cr2032 cannot exceed 4.25V, the over-discharge voltage cannot exceed 2.75V, and the maximum charge and discharge current is 1C (C indicates the battery capacity, for example, if the battery is 1200mAh, the 1C charge and discharge current is 1.2A). If there is no protective plate, the button battery cr2032 pack will be short-circuited and overcharged directly, which will cause the battery to bulge. In severe cases, leakage, decompression, explosion or fire will occur.


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