With unconditional compatibility, it can charge any 82V battery, regardless of size. The independent LED indicators display the charging status and diagnostics of each battery and the optimised air flow system pulls hot air out of each pack quickly and efficiently to rapidly cool down the battery 3x faster. The folding handle and rear wheels make for easy transportation so you can power through all day long, no matter how tough.The independent LED indicators display the charging status and diagnostics of each battery and the built in fan, active cooling system sustains the temperature of the batteries allowing a quicker charge as well as extending the life of the battery.