YTX Series Batteries The XYC's YTX series is an Absorbed Glass Mat (AGM) Battery specifically engineered to stand up to the heavy seasonal use and long storage time between activities for powersports vehicles like snowmobiles and personal watercraft (PWC). With an advanced design that eliminates water loss, you’ll never have to add water or acid to your battery again. If you are looking for the ideal replacement sled or jet ski battery, this long-lasting and powerful battery is the perfect choice.