18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah
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18650 battery 3500mah lithium

release time:2024-07-02 Hits:     Popular:AG11 battery

18650 battery 3500mah lithium Energy Storage Technology

 

With the maturity and improvement of lithium battery UPS technology and the increasing cost optimization, data center UPS will quickly complete the conversion from lead-acid batteries to lithium batteries, and the trend of data center UPS switching to lithium batteries will be even more rapid. 18650 battery 3500mah lithium Energy Storage Solution improves the reliability of data centers, and lithium battery energy storage systems are likely to become standard products in the data center market. Battery development history: In data centers, we use a large number of lead-acid maintenance-free batteries as UPS backup energy storage. As the last line of defense for data center power supply, all load safety depends on the reliability of batteries, but in actual applications, we found that more than 30% of data center load power failures are caused by battery failure. Lead-acid battery technology has developed very slowly, and there are basically no major breakthroughs. For all data center managers, lead-acid batteries have always been a headache but a fact that must be faced. It has very strict requirements for application scenarios: the ambient temperature cannot be too low or too high; the battery is afraid of frequent discharge and always not discharging; it cannot be quickly charged or discharged during use; a separate battery room is required to avoid acid mist from corroding other equipment, the battery occupies a huge space, and the floor load-bearing requirements are extremely high. With the improvement of the city power supply environment and the highly redundant design of the data center power supply system, the UPS supporting batteries rarely have a real discharge effect. New energy storage batteries represented by lithium-ion batteries have occupied more than 90% of the market in the field of consumer electronics. With the rapid development of the electric vehicle industry, the cost of lithium batteries today has dropped by 70% compared with 5 years ago. A global data center survey shows that 10% of data centers have adopted lithium battery UPS as backup energy. Energy Storage Electric predicts that the average annual growth rate of lithium batteries will exceed 100% in the next three years. Application of lithium battery UPS in global data centers: South Korea In South Korea, thanks to the promotion of lithium battery manufacturers such as Samsung/LG/SK, lithium batteries have long been widely used in UPS energy storage and data center fields. It is understood that nearly 80% of newly built data center UPS in South Korea have adopted lithium batteries. In 2012, the world's first lithium battery data center, Shinhan Bank, was put into use, which used 34 Schneider Electric 500KVA UPS and more than 10,000 Samsung lithium batteries, and there has been no battery failure so far. Japan, Singapore, Hong Kong In Japan, Singapore, Hong Kong and other places where every inch of land is valuable, users are more concerned about the space and weight of batteries. Since the energy density of lithium batteries is several times that of lead-acid batteries, the space occupied by lithium batteries is reduced by more than 60% compared with lead-acid batteries. The precious computer room space saved can be used to place server cabinets for rental profit. At the same time, the weight of lithium batteries is more than 70% lighter than that of lead-acid batteries, so it can greatly reduce the pressure on the floor load. For data centers converted from office buildings, the cost of load-bearing transformation can be greatly reduced. India In India, due to the unstable power supply of the city electricity, the battery is often charged and discharged, and the ambient temperature is high. Ordinary lead-acid batteries need to be replaced every 2 to 3 years. After using lithium battery UPS, it has a stronger ability to adapt to high temperatures, can be quickly recharged after discharge, and has a cycle number 4 times that of lead-acid batteries. Therefore, in a market as sensitive to prices as India, although the price of lithium batteries is more than twice that of lead-acid batteries, they are still widely recognized by users and consulting companies. North American Market In the North American market, customers pay more attention to the TCO (total cost of ownership) of data centers, because the maintenance and replacement costs (OPEX) of the equipment in the later stage are more expensive than the initial purchase price of the hardware. The design life of the UPS in the data center is usually more than 10 years. Although the lead-acid battery with the matching design life is nominally 10 years, it is usually replaced every 5-6 years, because the use capacity of the lead-acid battery will drop sharply in the later stage of use, and the lead-acid battery will be scrapped when the remaining capacity reaches 80%. Even after 10-15 years of use, the remaining capacity of the lithium battery UPS still reaches more than 80%, and its capacity attenuation is a gradual process that is approximately linear. We recommend that the lithium battery can be used to at least 70% of its capacity. In view of the long life design and high cycle number of lithium batteries, there is no need to replace them within the 10-year life cycle of the UPS, while the lead-acid battery needs to be replaced at least once. This alone can offset the cost pressure of lithium batteries, which is less than 2 times. Lithium batteries do not need to perform these complex maintenance operations, so users can reduce operating costs. China In China, the trend of UPS switching to lithium batteries will be even faster. The lithium battery industry uses highly automated production lines, and production capacity determines costs. This is an industry where the winner takes all. As the world's largest lithium battery producer, various manufacturers have been vigorously expanding production in recent years, but the result is that the entire industry has a serious overcapacity. As the Chinese government's subsidies for electric vehicles are gradually reduced, the lithium battery UPS power supply industry is in urgent need of exploring new application growth points, such as wind and solar energy storage, grid frequency and peak regulation, communication power supply, UPS backup batteries, etc. will become the new favorites of the lithium battery market. 18650 battery 3500mah lithium energy storage technology will quickly deploy data centers. The use of lithium battery energy storage in data center power supply systems will become a trend. At present, for the data center industry, whether it can maximize the use of existing space and minimize operating expenses, especially UPS power cooling energy consumption, battery maintenance and battery replacement service costs are particularly important. Lithium batteries have become the key to solving these problems because of their excellent performance. UPS lithium battery energy storage may have a greater impact on the future data center industry, because more and more companies want to adopt an architecture based on open computing, and they will specify lithium batteries as the power supply unit for server power in the rack. It can be seen that it is inevitable for the entire UPS industry to fully replace lead-acid batteries with lithium batteries. It is only a matter of time. As the largest energy storage component in the data center, the safety of lithium batteries is very important. In the future, UPS + lithium battery energy storage technology will be rapidly deployed in data centers. The safety of lithium batteries depends largely on the following four points. It is recommended that users focus on the following when selecting: 1. High-quality battery cell production and quality control 2. Perfect BMS design 3. Chemical materials of lithium batteries 4. Compatibility test of lithium batteries and UPS Summary: With the maturity and improvement of lithium battery UPS technology and the increasing cost optimization, data center UPS will quickly complete the conversion from lead-acid batteries to lithium batteries, which will allow data center managers to re-plan the layout of gray and white areas. This trend of growth and decline has forced most lead-acid battery factories to partially transform to produce lithium batteries, because the pressure brought by this energy storage technology revolution to the entire lead-acid battery industry is fatal, and they will be eliminated if they do not transform.


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