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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:2024-04-24 Hits: Popular:AG11 battery
How manufacturers test button battery cr2032 packs.
The main testing contents of the manufacturer include: capacity detection, load detection, charge and discharge detection, short circuit fault detection, internal resistance detection, working voltage detection, resistor detection, current maintenance detection, set detection, etc.
1. Divided volume experiment: The divided volume experiment is used separately, and 1C is used for standard experiments, general experiments and rapid experiments. The activity of button battery cr2032 pack is mainly to better define the capacity and characteristics of the battery pack.
2. Charge and discharge inspection: The purpose of battery charge and discharge inspection is to determine whether the charging circuit of the button battery cr2032 package is normal. There are certain regulations on the detection of battery charging working voltage and current.
3. Short circuit test: The short circuit test is mainly used to determine whether the overcurrent protection function of the button battery cr2032 pack is normal. Generally speaking, the test standard is to use a fully intelligent detector. When testing, special attention should be paid to the short-circuit fault time should be less than 3 seconds. The multimeter current range or working voltage range cannot be used for short-circuit fault detection.
4. Internal resistance test: The internal resistance test is an indicator value for judging the power consumption of the button battery cr2032 pack itself. When the internal resistance is too large, it will affect charging and discharging, or even make it impossible to charge and discharge.
5. Overcurrent protection experiment: When the button battery cr2032 pack is fully charged, use a variable resistor to adjust the charge and discharge current so that the current slowly expands. When the charge and discharge current exceeds a certain operating voltage value, the charge and discharge control circuit current is cut off and the current is zero. The current amount before the record is cut off is the over-current protection current amount.
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