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:2023-05-06 Hits: Popular:AG11 battery
(1) Extrusion test: put the fully charged battery on a plane, apply 13+1kn extrusion force through the oil cylinder, and squeeze the battery on the steel rod plane with a diameter of 32mm. Once the squeezing pressure reaches the maximum value, stop squeezing, and the battery will not catch fire or explode
(2) Impact test: after the battery is fully charged, place it on a plane, vertically place the steel column with the diameter of 15.8mm in the center of the battery, and freely drop the weight of 9.1kg on the steel column above the battery from the height of 610mm. The battery will not catch fire or explode
(3) Overcharge test: fully charge the battery with 1c, and conduct the overcharge test as per 3C overcharge 10V. When the battery is overcharged, the voltage rises to a certain voltage and stabilizes for a period of time. When approaching a certain time, the battery voltage rises rapidly. When the voltage rises to a certain limit, the high cover of the battery is pulled off, the voltage drops to 0V, and the battery will not catch fire or explode
(4) Short circuit test: after the battery is fully charged, short circuit the positive and negative electrodes of the battery with a conductor whose resistance is not greater than 50m, and test the temperature change of the battery surface. The maximum temperature of the battery surface is 140 ℃. When the battery cover is opened, the battery will not catch fire or explode
(5) Needle test: place the fully charged battery on a flat surface, and use a 3mm diameter steel needle to puncture the battery radially. Test the battery to ensure no fire and explosion
(6) Temperature cycle test: The temperature cycle test of lithium ion battery is used to simulate the safety of lithium ion battery repeatedly exposed to low and high temperatures during transportation or storage. Test by rapid extreme temperature changes. After the test, the sample shall be free from fire, explosion and liquid leakage
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