Product details:

Delivering power when you need it, the Mighty Max ML22-12GEL 12 Volt 22 AH (Maintenance Free) battery. Requires no addition of water during the life of the battery. The Mighty Max ML22-12 GEL is a TRUE DEEP CYCLE battery that can be mounted in any position, requires no maintenance. When a Gel Cell battery is charged, no hazardous fumes escape the battery case, gases are processed within the battery itself.ML22-12GEL is a 12V 22AH GEL rechargeable maintenance free battery.
True deep cycle battery that can be mounted in any position, Resists shocks and vibration. Long lasting high performance in high and low temperatures.
Mighty Max Battery 12 VOLT 22 AH GEL BATTERY