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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.
release time:2023-08-14 Hits: Popular:AG11 battery
life
There are two concepts for the lifespan of batteries: "dry storage lifespan" and "wet storage lifespan". It must be pointed out that these two concepts are only related to the size of battery self discharge and are not the actual lifespan of the battery. The true lifespan of a battery refers to the actual length of time it has been used.
For the primary battery, the battery life is the working time (related to the discharge rate) representing the given Nameplate capacity.
For secondary batteries, the lifespan can be divided into two types: charge discharge cycle lifespan and wet shelving lifespan.
The charging and discharging cycle life is an important parameter for measuring the performance of secondary batteries. Enduring a charge and discharge is called a cycle (or a cycle). Under a certain charging and discharging system, the number of charging and discharging cycles that a battery can withstand before its capacity drops to a specified value is called the charging and discharging cycle life of a secondary battery. The longer the charging and discharging cycle life, the better the performance of the battery. Among the commonly used secondary batteries at present, the charging and discharging cycle life of cadmium nickel batteries is 500-800 times, lead-acid batteries are 200-500 times, lithium-ion batteries are 600-1000 times, and zinc silver batteries are very short, about 100 times.
The charging and discharging cycle life of secondary batteries is related to conditions such as discharge depth, temperature, and charging and discharging mode. The so-called "discharge depth" refers to the percentage of the discharged capacity of the battery in the Nameplate capacity. Reducing the depth of discharge (i.e. "shallow discharge") can greatly prolong the charging and discharging cycle life of secondary batteries.
The service life of wet storage is also an important parameter for measuring the performance of secondary batteries. It refers to the time during which the battery starts charging and discharging cycles after adding electrolyte until the end of the charging and discharging cycle life (including the time during which the battery is in a wet discharge state during the charging and discharging cycle). The longer the wet storage life, the better the battery performance. Among the commonly used batteries, cadmium nickel batteries have a wet shelf life of 2-3 years, lead-acid batteries have a lifespan of 3-5 years, lithium-ion batteries have a lifespan of 5-8 years, and zinc silver batteries have the shortest lifespan of only about 1 year.
In addition, the performance of the battery includes: low-temperature performance, overcharging resistance, safety performance, etc.
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