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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 pack 12v.Battery detection results:

release time:2023-10-14 Hits: Popular:AG11 battery

　　Battery detection results:

　　1. At normal temperature (20±5°C), discharge at a staged constant current (8-3-1.5-0.6-0.3mA/g), the cut-off voltage is 2.0V, and the specific capacity of the cathode material is 264mAh/g.

　　2. Discharge at low temperature (0±2°C) at a staged constant current (16-8-3-1.5-0.6-0.3mA/g). The discharge curve fluctuates due to temperature changes. The discharge specific capacity of the material is 261mAh/ g.

　　3. At a high temperature of 125°C, the battery is discharged at a constant current of 16mA/g and the cut-off voltage is 2.0V. The battery can be discharged normally, the discharge curve is stable, and the specific capacity of the cathode material is 260mAh/g. Obviously, the material has better high-current discharge capability at high temperatures.

　　Low temperature and high energy density 18650 3350mAh-40℃ 0.5C discharge capacity ≥60%

　　Charging temperature: 0~45℃ Discharge temperature: -40~+55℃ Specific energy: 240Wh/kg -40℃ Discharge capacity retention rate: 0.5C Discharge capacity ≥ 60%

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　　4. Leave the battery at 125°C for 120 hours, and then discharge it at a constant current of 16mA/g. The discharge cut-off voltage is 2.0V. The specific capacity of the cathode material is 250mAh/g. It is stated that the high-temperature cathode material remains relatively stable at 125°C. Minimal analysis or deterioration occurs.

　　5. The battery was discharged at a constant current of 16mA/g at 150°C and tested for 8 hours, exceeding the requirement of 7 hours of operation at 150°C for the TPMS system. The working voltage platform of the battery is normal and no abnormal platform appears, which means that no new phase of the cathode material has sprouted, the properties are stable, and the battery can continue to discharge.

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