large batteries for solar storage

large batteries for solar storage generally use lithium battery packs, in the past, lithium storage batteries generally use 18560 cells, but with the development of battery technology, 18650 cells in the combination of the process of disadvantage more and more, now in the field of large energy storage batteries are basically used 21700 cells or large single cells, the reasons are two. Firstly, 21700 cells and large single cells have a large volume and high capacity, which is very suitable for the combination. Second, 21700 cells and large single cells are the main models of electric vehicles, so the batteries eliminated from electric vehicle maintenance can be used in the energy storage market, forming a complete industrial chain and improving the utilization of batteries.

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