About me: Vanadium batteries come with a large capacity, are
environmentally friendly, and are safe to use.
their popularity can also be attributed to high
energy conversion efficiency and a long-life
cycle. This is one of the best battery options to
consider if you need a large energy storage
capacity.
https://www.lithiumbatterychina.com/blog/2022/09/1
5/best-top-10-vanadium-battery-pack-manufacturers-
and-companies-in-china-and-world/