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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:2025-05-10 Hits: Popular:AG11 battery
Portable cylindrical lithium - ion batteries have become an indispensable power source in modern life, owing to their compact size, high energy density, and versatility. These batteries, with their cylindrical shape, are designed to deliver reliable power for a wide range of portable devices, from smartphones and laptops to portable speakers and digital cameras.
The cylindrical structure of these batteries offers several advantages. Firstly, it provides a standardized form factor that is easy to manufacture and integrate into various devices. The consistent shape allows for efficient packing within battery packs, maximizing the use of available space. The outer casing of the cylindrical lithium - ion battery is typically made of durable materials such as aluminum or steel, which not only protects the internal components but also helps in heat dissipation. Inside the battery, the anode, cathode, separator, and electrolyte are carefully arranged in a cylindrical configuration. The anode is usually made of graphite, which can store and release lithium ions during the charging and discharging processes. The cathode, on the other hand, is composed of materials like lithium cobalt oxide, lithium nickel manganese cobalt oxide (NMC), or lithium iron phosphate (LFP), each with its own characteristics in terms of energy density, lifespan, and safety.
One of the key features of portable cylindrical lithium - ion batteries is their high energy density. Compared to other battery chemistries, such as nickel - cadmium or nickel - metal hydride, lithium - ion batteries can store more energy per unit volume and weight. This means that devices powered by these batteries can operate for longer periods on a single charge, making them ideal for portable applications where minimizing size and weight is crucial. For example, a typical 18650 cylindrical lithium - ion battery, which is commonly used in laptops and power banks, can have an energy density of around 200 - 265 Wh/kg. This allows a laptop to run for several hours without the need for recharging, enhancing user convenience.
Another advantage is their relatively long cycle life. Lithium - ion batteries can typically endure hundreds or even thousands of charge - discharge cycles before their capacity starts to degrade significantly. This longevity makes them a cost - effective choice in the long run, as they do not need to be replaced as frequently as some other types of batteries. Additionally, portable cylindrical lithium - ion batteries have a low self - discharge rate, which means they can retain their charge for extended periods when not in use. This is particularly beneficial for devices that are not used regularly, such as emergency flashlights or backup power supplies. However, it is important to note that proper charging and storage practices are essential to maintain the performance and lifespan of these batteries. Overcharging or deep - discharging can reduce their capacity over time, so most portable devices equipped with lithium - ion batteries come with built - in battery management systems to regulate the charging and discharging processes and ensure safe and optimal operation.
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