I have a motormaster 800 power box...for some reason it works (radio and light only) when cord is plugged in and when disconnected I get nothing... where can I buy a new batter for it and how much for battery
Battery sulfation is the cause of most premature failures. there are nmany battery desulfators on the market. in future when you buy new battery learn about battery maintainence and double life of battery. a car alternator does not correct sulfation
Three years is pushing the life of the batteries. Have them checked where your type of battery is sold.
· Automatically switches from full charge to maintenance mode to maintain batteries during prolonged periods of storage without overcharging or damaging the battery
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