The YTX4L-BS GEL is a 12-Volt 3 Ah GEL (Maintenance Free) battery. Requires no addition of water during the life of the battery. The MIGHTY MAX YTX4L-BS 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. No acid mist and pollution to the environment when charging and discharging. This Battery is Low self-discharging and durable for storage and has a nice ability for resilience after over-discharge and the capacity of high discharge current increases by 30% over VRLA. Common uses for the YTX4L-BS GEL: ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more.