I have a standard 6 speaker plus bazooka tube setup and generally only run it when the boat is running so figure I only need the one standard battery. It lives under a boathouse roof on a lift and I was looking for something that could just "top it off" between weekends. I've seen the cheapo "battery tender" going for less than $20 bucks but dont want to scrimp if its a fire hazard. Thoughts?
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