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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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Sino Technology Manufacturer Group co.,ltd

lithuim ion battery 18650

Product Model No: 18650

Capacity: 10000MAH

Voltage: 14.8V

Pole Ear: Bipolar Ear

Minimum Capacity: 10000MAH

Product parameter

Product description

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　　lithuim ion battery 18650 type difference

　　Lithium batteries are marked 3.7V or 4.2V are the same. It's just that the manufacturer's label is different. 3.7V refers to the platform voltage (i.e. typical voltage) that is discharged during battery use, while 4.2V refers to the voltage when fully charged. Common rechargeable 18650 lithium batteries, the voltage is 3.6 or 3.7v, and it is 4.2v when fully charged, which has little to do with the power (capacity). The mainstream capacity of 18650 batteries ranges from 1800mAh to 2600mAh, (18650 power battery capacity Most of them are 2200~2600mAh), and the mainstream capacity even has a capacity above 3500 or 4000mAh.

　　It is generally believed that when the no-load voltage of the lithium battery is lower than 3.0V, it is considered that the power is exhausted (the specific value depends on the threshold value of the battery protection board, for example, it is as low as 2.8V or 3.2V). Most lithium batteries cannot be discharged with the no-load voltage below 3.2V, otherwise excessive discharge will damage the battery (generally, lithium batteries on the market are basically used with a protection board, so excessive discharge will also cause the detection of the protection board to fail. to the battery, making it impossible to charge the battery). 4.2V is the highest limit voltage for battery charging. It is generally believed that the lithium battery is fully charged when the no-load voltage is charged to 4.2V. During the battery charging process, the battery voltage gradually rises from 3.7V to 4.2V, and the lithium battery cannot be charged. Charge the no-load voltage to above 4.2V, otherwise it will damage the battery. This is the special place of lithium battery.

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