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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 .
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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:2022-11-09 Hits: Popular:AG11 battery
There are three types of batteries commonly used in the use of UpS power supply: open type liquid lead acid battery, non protective battery, nickel chromium battery. Factors affecting battery life. Different types of batteries also have their own advantages and disadvantages. The batteries provided by UpS manufacturers are generally free of protection. The following describes the characteristics of three types of batteries:
1: Open type liquid lead acid battery
These batteries can be divided into 8-10 years and 15-20 years according to their structures. Because the sulfuric acid electrolysis of this battery will present corrosive gas, it is necessary to install this battery in a room that is ventilated and away from fine electronic equipment, and the battery room should be paved with anti-corrosion tiles.
Because of evaporation, it is necessary to measure the specific gravity of open battery regularly, add acid and water. The battery can withstand high temperature, high voltage and deep discharge. The battery room shall be smoke-free and equipped with open battery rack.
The battery cannot be transported after charging, so it is necessary to charge the device on site, and the initial charge generally takes 55-90 hours. The normal voltage of each section is 2V, and the initial charging voltage is 2.6-2.7V.
2: No protection battery
Also known as valve regulated sealed lead acid battery, the following principles shall be followed in application and protection:
a: The allowable operation scale of sealed battery is 15 ° - 50 °, but the battery life can be extended if the battery is used within 5 ° - 35 °. The chemical composition of the battery will change below - 15 ℃ and cannot be charged. The highest life span will be achieved in the scale of 20 to 25 degrees The battery will have a long life but low capacity in low temperature operation, and a high capacity but short life in high temperature operation.
b: The relationship between battery life and temperature can refer to the following rules. After the temperature exceeds 25 ℃, the battery life will be halved for every 8.3 ℃ higher.
c: The planned floating charge voltage of the unprotected battery is 2.3V/cell. The 12V battery is 13.8V. CSB suggests 2.25-2.3V for each section. When 120 batteries are connected in series and the temperature is higher than 25 ℃, the floating charge voltage shall be reduced by 3MV for each degree of temperature rise. In the same way, 3MV shall be increased for each degree of temperature rise to prevent lack of charging voltage. The discharge stop voltage is 1.67V per section under full load (<30min). Under the condition of low discharge rate (low current long-term discharge), it should be increased to 1.7V-1.8V per section. ApCSYMMETRA can adjust the charging voltage according to the load.
d: If the battery is not recharged within 72 hours after discharging. Sulfate will adhere to the electrode plate for insulating charging, which will damage the battery.
e: When the battery is floating or evenly charged, the gas presented inside the battery is electrolyzed into water on the negative plate, so as to maintain the capacity of the battery without adding water. However, the corrosion of the battery plate will reduce the battery capacity.
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