Customer Review: I use Optima Blue Top batteries as a power backup with a pure sinewave inverter/charger. They are powerful and can be mounted at any angle since they are sealed and don't vent gas like a flooded battery. Being sealed, the posts don't corrode like regular batteries and the can be used indoors with... more info
Customer Review: Very handy thing to own. Charges a battery literally in minutes. Great when you go out to start your lawn mower or 4 wheeler after not running it for a while and it's dead. Just hook the battery up to this and it's charged in no time. Works on car batteries too, but we haven't had to use it for... more info
