battery charger

I've had my two 1996 Sea Doo GTS PWCs for about 4 years now. They came with EverStart Lead Acid batteries, not sure how old. I have been maintaining them in my garage over the winter with a 2A battery smart charger, where I would charge every month to maintain 100% (12.6V) Over the years the...

Hey, I purchased a brand new battery for my spark. I used the battery once without problems. After two weeks of not using the machine the battery no longer turns over. I have had the battery connected to a tender ever since. The only way I can get the battery to turn over is when I have it...

Hi. I'm new to jetboating and this forum so forgive me if this seems like basic knowledge to everyone else. I recently purchased a used 2007 Speedster 150 with 155HP 4Tec. The previous owner installed a nice sound system on it and installed an additional battery to power it. Both batteries...