Why do more and more solar street lights use lithium batteries?

by:CTECHi     2021-08-19

With the in-depth development of the new socialist countryside and the construction of beautiful villages, solar street lights have been seen everywhere as the first-choice lighting equipment. Solar street lights are not only energy-saving and environmentally friendly, but also do not generate electricity bills, so they have been welcomed by the masses of people. Many solar street lights used lead-acid batteries in the past, but now they basically use lithium batteries. Why are lithium batteries so popular? Compared with lead-acid batteries, what are the advantages of lithium batteries? 1. The lithium battery is small in size, light in weight, and easy to transport. Compared with the lithium battery energy storage system and the lead-acid gel battery used in the solar street lamp with the same power, the weight is about one-third and the volume is about one-third. In this way, transportation is easier, and transportation costs are naturally reduced. 2. Lithium battery has high energy density and longer service life. Energy density refers to the amount of energy stored in a certain unit of space or mass. The greater the energy density of the battery, the more electricity stored per unit weight or volume. There are many factors that affect the service life of lithium batteries, and energy density is one of the most important internal factors. 3. The solar street light using lithium battery is easy to install. When installing traditional solar street lights, a battery pit needs to be reserved, and the battery is sealed in a buried box. The installation of lithium battery solar street lights is much more convenient, you can directly install the lithium battery on the bracket, using the hanging type or the built-in type. 4. Lithium battery solar street lights are easy to maintain. Lithium-powered solar street lights only need to take out the battery from the pole or battery panel when repairing, while traditional solar street lights need to dig out the buried battery when repairing, which is much more troublesome than lithium-powered solar street lights.

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