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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:2024-03-26 Hits: Popular:AG11 battery
What are the main technical parameters of 3.7 volt battery 18650?
1.Battery capacity
The capacity of a UPS battery is determined by the amount of active material in the battery, which is usually expressed in Ah or mAh. For example, the nominal capacity of 250Ah (10hr, 1.80V/cell, 25℃) refers to the capacity released by discharging at a current of 25A for 10 hours at 25℃ to reduce the voltage of a single battery to 1.80V.
2. Rated voltage
Low temperature lithium iron phosphate battery 3.2V 20A -20℃ charging, -40℃ 3C discharge capacity ≥70%
Charging temperature: -20~45℃ -Discharge temperature: -40~+55℃ -40℃ Support maximum discharge rate: 3C -40℃ 3C discharge capacity retention rate ≥70%
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The potential difference between the positive and negative terminals of the battery is called the rated voltage of the UPS battery. Common lead-acid batteries have three rated voltages: 2V, 6V, and 12V. A single lead-acid battery is 2V, and a 12V battery is made up of six single batteries connected in series.
The actual voltage of the battery is not a constant value. The voltage is high when there is no load, and the voltage will decrease when there is a load. When there is a sudden large current discharge, the voltage will also drop suddenly. There is an approximately linear relationship between the battery voltage and the remaining power. This simple correlation only exists under no load conditions. When a load is applied, the battery voltage is distorted by the voltage drop caused by the battery's internal impedance.
3. Maximum charge and discharge current
The battery is bidirectional and has two states, charging and discharging. This current is limited. Different batteries have different maximum charging and discharging currents.
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