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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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18650 battery 4800mah

release time:2024-04-18 Hits: Popular:AG11 battery

　　18650 battery 4800mah full self-stop circuit diagram

　　The 18650 battery 4800mah full-fill self-stop circuit made using the NE555 chip is simple and does not require complex debugging. This circuit is equipped with a charging indicator light. When charging the 18650 battery 4800mah, the LED indicates that the 18650 battery 4800mah is in a charging state. When the 18650 battery 4800mah is fully charged, the LED indicator light goes out and the charging circuit is cut off to prevent overcharging from damaging the 18650 battery 4800mah.

　　In the picture above, the NE555 and its peripheral components are connected into a Schmitt trigger, which is used to detect the charging voltage of the 18650 battery 4800mah. In the general application circuit of the NE555 chip, its ⑤ pin is connected to the ground through a small capacitor of 0.01μF. In this circuit, the ⑤ pin of the NE555 is connected to the 2.5V reference voltage generated by the precision reference voltage source TL431, which can improve the detection of the charging voltage. Accuracy.

　　In the circuit, the ②⑥ pins of NE555 are directly connected to form a Schmitt trigger. Its upper threshold voltage is 2.5V (that is, the stable voltage of TL431), the lower threshold voltage is 1.25V, and the hysteresis voltage is also 1.25V.

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