The 99-1822 battery is a battery that is part of the DRY range, which is designed to be used with vertical installation only.
In addition, it comes with no acid in the cells prior to activation so it is necessary to top up before first use. However, there is no need to refill during its lifetime.
On the other hand, it will provide performance and resistance, a great advantage for your work to be effective.
Finally, its charge is in lead-acid, whose acid is included and has no acid in the cells before activation.