Not real happy. I ordered two May 25th of this year, and one died just a few day past being four months old, stranding our 9 y/o grandson, who had to push his quad home from my neighbor's property where he was riding. The other one is still in good shape but that quad is not used nearly as much as the one that died. When I pulled the seat off the bike, the sealed lid on the top of the battery had come off and several of the caps over the fill holes on the cells were missing and corrosive materiaSee full review