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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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Tell me about how to distinguish and test methods for polymer batteries.18650 lithium battery 3000mah

release time:2023-09-08 Hits: Popular:AG11 battery

　　1、 Differentiate from advantages

　　1. Replacing the original liquid electrolyte with a solid electrolyte;

　　2. Replacing carbon negative electrode materials with lithium-ion negative electrode materials;

　　3. Lightweight;

　　4. Ultra thinness;

　　5. Flexible appearance: can be made into different shapes according to different needs;

　　6. Improvement in safety: Even if overcharged, it is very stable, and the probability of leakage becomes very low because the electrolyte is solid.

　　2、 From appearance packaging to internal composition

　　1. Sheet shape: If the outside is wrapped with stickers, first use both hands to repeatedly break it back and forth. If there is a plastic frame on the edge, it is likely to be ordinary lithium ions, not polymers. Remove the sticker and expose the battery cell. If the edge is a rectangular block at right angles, it may be a regular lithium ion.

　　If the edge is an arc-shaped cell and there are gaps in the packaging metal sheet, it may be a polymer. Polymer batteries can continue to be disassembled, exhibiting a vacuum encapsulated aluminum foil. Generally, lithium ions only exhibit metal shell square cells, and cannot be further disassembled with both hands.

　　2. Barrel shaped, usually with a high lithium ion content and less polymer. Most polymers are much flatter.

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