What is the difference between lithium battery and lead -acid battery

　　Under the same energy, the weight of the lithium -ion battery is a quarter of the lead -acid battery, and the volume is one -third of the lead -acid battery. The reduction of these spaces and components is due to the high energy density of lithium ion batteries.

　　The charging speed is faster and the number of discharge times is higher.

　　On average, the number of discharge times of lithium -ion batteries is 10 times that of lead -acid batteries. In addition, when not in use, the discharge speed of lithium -ion batteries is slow. In the case of power off, the charging speed of lithium -ion batteries is 4 times (or more) of lead -acid batteries.

　　The service life is longer, and the price is getting lower and lower.

　　Many people are unwilling to use lithium ion batteries after they know the price differences between the two batteries. Indeed, the installation cost of lithium -ion batteries is 1.5 to 3 times that of lead -acid batteries. However, the cost of lithium -ion batteries continues to decline, and lead -acid batteries are a mature skill, and the possibility of falling capital in the future is very small. Coupled with the strong performance advantages of lithium ion batteries, it has become more and more energy storage selection.

　　In addition, the service life of lithium -ion batteries is at least twice as long as lead -acid batteries, and the battery cycle is as high as 1,000 times (or more). During the service life of UPS, the number of batteries is very small (not even necessary), which can reduce the danger of stopping the battery; in addition, the maintenance frequency of lithium -ion batteries is also very low. In the long run, compared with the VRLA battery, the total cost (CTO) of the UPS system of the lithium ion battery can be as low as 40%.

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