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SINO TECHNOLOGY

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 .

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SUNBEAM

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

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GREEN POWER

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

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DATAPOWER

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.

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SEONG-HEE

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

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STD

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.

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Protection Mechanisms of BMS Lithium Battery Protection Board

source:Industry News release time:2024-10-19 Hits: Popular:AG11 battery

　　The Battery Management System (BMS) lithium battery protection board has several crucial protection mechanisms. One of the main functions is overcharge protection. When the battery is being charged and the voltage reaches a preset upper limit, the BMS will intervene to stop or reduce the charging current. This is vital as overcharging can cause the lithium ions in the battery to deposit irregularly on the electrodes, leading to reduced battery capacity, increased internal resistance, and in severe cases, a risk of thermal runaway and potential safety hazards such as fire or explosion.

　　Over-discharge protection is also essential. If the battery voltage drops too low during discharge, the BMS will cut off the power output to prevent damage to the battery cells. Deep over-discharge can cause irreversible changes in the battery's chemical structure, shortening its lifespan and reducing its performance. Additionally, the BMS provides short-circuit protection. In the event of a short circuit in the battery or the connected circuit, the protection board can quickly disconnect the battery to limit the extremely high current that could cause rapid heating and potential damage. Temperature protection is another important aspect. The BMS monitors the battery temperature using sensors. If the temperature exceeds safe limits, either due to high ambient temperature during charging/discharging or internal heat generation, the BMS will take appropriate actions such as reducing the current or shutting down the battery until the temperature returns to a safe range. This helps maintain the integrity and safety of the lithium battery.

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