Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
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:2024-01-15 Hits: Popular:AG11 battery
1. Overcharge test
Fully charge the lithium battery and conduct an overcharging test according to 3C overcharging. When the battery overcharges, the voltage rises to a certain level and stabilizes for a period of time. When it approaches a certain level, the battery voltage rapidly rises. When it reaches a certain limit, the high cap of the battery is pulled off, and the voltage drops to 0V. The battery does not catch fire or explode.
2. Short circuit test
After fully charging the battery, use a wire with a resistance not exceeding 50m Ω to short circuit the positive and negative terminals of the battery. Test the temperature change of the battery's outer surface. The temperature of the battery's outer surface should be 140 ℃, and the battery cover should be placed open to prevent it from catching fire or exploding; Acupuncture test: Place a fully charged battery on a flat surface and use a 3mm diameter steel needle to pierce the battery radially. Test that the battery does not ignite or explode; Kneading test: Place a fully charged battery on a flat surface, apply a kneading force of 13+1KN by an hydraulic cylinder, and knead the battery on a flat surface using a steel rod with a diameter of 32mm. Once the kneading pressure reaches, stop kneading and the battery will not ignite or explode.
3. Heavy object impact test
After fully charging the battery, place it on a flat surface and place a steel pillar with a diameter of 15.8mm vertically on the battery base. Place a weight of 9.1kg freely on the steel pillar above the battery from a height of 610mm, ensuring that the battery does not catch fire or explode.
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