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.
source:Industry News release time:2023-03-06 Hits: Popular:AG11 battery
In addition to 18650 and 21700, what other common types are there? Which one is cost -effective?
There are 14500, 26650, 201700, etc. It is the same size as no. 5. Battery and common flashlights. Because the voltage of the lithium ion battery is 3.7V, it may not be seen on the normal use of No.14500 electrical appliances. 5 battery. 26650 is also used for flashlights. 26650 is larger than 18650, and the capacity of 21700 is even larger. The 20700 words are between 18650-21700, the capacity is greater than 18650, the volume is slightly less than 21700, and the applicable range is narrow.
As for cost -effective, it depends on whether you are useful. Take a bright flashlight compatible with 26650 and 18650 as an example. It is more widely used in 18650 and 21700, so they may become more complicated skills and craftsmanship. 18650 may be the most useful type now, but 21700 is a future type.
How to choose high -quality lithium ion batteries?
1. Check the appearance and packaging
First, it can identify the packaging and appearance of lithium -ion battery products. Although general products look deceived, it can also be filtered from the appearance of some defective products.
2. Compared components
The composition of the lithium -ion battery is proportional to the capacity. Assuming that the polymer lithium -ion battery is too large, the composition is too large, and the capacity will inevitably lack, but some batteries themselves have a large capacity. In addition, the weight of the battery can be seen from the packaging.
3. Test internal resistance and maximum current
In fact, the fastest way to test lithium -ion battery performance is to test its internal resistance and maximum discharge current. High -quality lithium -ion batteries, small internal resistance, maximum discharge current. Select the 20A range of the multimeter, and directly connect the lithium ion battery with two electrodes. The current should be around 10A or higher, which can be maintained for a period of time. A good battery is relatively stable.
4. Work at the test site
In the process of lithium -ion batteries, the electrical rods that continue to discharge for about 10 minutes are assumed that it is not heated. The battery protection system is perfect. Generally, the quality of lithium ion batteries with high -quality protection is better than that of general lithium ion batteries.
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