Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
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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:2025-02-18 Hits: Popular:AG11 battery
Understanding the parameters of lithium - batteries is crucial for users to make informed decisions when choosing and using these power sources.
Capacity
The capacity of a lithium - battery is one of the most important parameters. It is typically measured in milliampere - hours (mAh) or ampere - hours (Ah). For example, a 2000 mAh battery can supply a current of 2000 milliamperes for one hour or 1000 milliamperes for two hours. The capacity determines how much electrical charge the battery can store and, consequently, how long it can power a device. Higher - capacity batteries can provide longer operation times for electronic devices such as smartphones, laptops, and electric vehicles. However, the actual capacity available for use may be affected by factors like temperature, discharge rate, and battery age. For instance, at low temperatures, the battery's chemical reactions slow down, reducing the effective capacity.
Voltage
Lithium - batteries have a characteristic voltage. A single - cell lithium - ion battery typically has a nominal voltage of around 3.7 volts. This voltage can vary during the charging and discharging process. When the battery is fully charged, the voltage is usually slightly higher, around 4.2 volts for a lithium - ion cell, and as it discharges, the voltage gradually drops. Understanding the voltage is important because electronic devices are designed to operate within a specific voltage range. If the battery voltage is too low, the device may not function properly, and if it is too high, it can damage the device's components. In multi - cell battery packs, the total voltage is the sum of the voltages of each individual cell. For example, a 4 - cell lithium - ion battery pack will have a nominal voltage of approximately 14.8 volts (3.7 volts per cell * 4 cells).
Discharge Rate
The discharge rate, often expressed as a C - rate, indicates how quickly a battery can be discharged. A 1C discharge rate means that the battery can be completely discharged in one hour. For example, a 2000 mAh battery with a 1C discharge rate can supply 2000 milliamperes of current for one hour. A higher C - rate, such as 2C, means the battery can discharge at a faster rate, in this case, supplying 4000 milliamperes for one hour. High - C - rate batteries are often used in applications that require high - power output, like electric power tools or some high - performance drones. However, discharging a battery at a very high C - rate can also reduce its overall lifespan and may cause it to overheat.
Internal Resistance
Internal resistance is another key parameter. It represents the resistance within the battery that opposes the flow of current. A lower internal resistance is desirable as it results in less power loss during charging and discharging. When a battery has a high internal resistance, more energy is dissipated as heat, reducing the battery's efficiency. For example, if a battery with a high internal resistance is used to power a device, the battery may heat up significantly, and the device may not receive the full amount of power it needs. Internal resistance can increase over time due to factors such as battery aging and repeated charge - discharge cycles.
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