Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
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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