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SINO TECHNOLOGY SUNBEAM GREEN POWER DATAPOWER SEONG-HEE STD

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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Problem with customizing lithium batteries.6F22 carbon battery

release time:2023-08-21 Hits: Popular:AG11 battery

　　1、 Inconsistent voltage, some are low

　　1. High self discharge causing low voltage

　　The self discharge of the battery cell is large, causing its voltage to decrease faster than others. Low voltage can be eliminated by storing and checking the voltage after storage.

　　2. Uneven charging causes low voltage

　　After battery testing, uneven charging of the battery cells occurs due to inconsistent contact resistance or charging current in the testing cabinet. The voltage difference is small when stored for a short period of time (12 hours), but it is significant when stored for a long time. This low voltage has no quality issue and can be solved through charging. After being charged in production, store for more than 24 hours to measure voltage.

　　2、 Excessive internal resistance

　　1. Due to differences in detection equipment

　　If the detection accuracy is insufficient or the contact with the electrical group cannot be eliminated, it will cause a large display of internal resistance. Therefore, the principle of AC bridge method should be used to test the internal resistance instrument for detection.

　　2. Long storage time

　　Long storage of lithium batteries can cause significant capacity loss, internal passivation, and increased internal resistance, which can be solved through charging and discharging activation.

　　3. Abnormal heating causing high internal resistance

　　The processing of the battery cell (spot welding, ultrasound, etc.) causes abnormal heating of the battery, resulting in thermal closure of the diaphragm and a serious increase in internal resistance.

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