Negative Positive
Title: Underpowered
Review: As soon as I used this jump starter to attempt a start of my lawn tractor, it signaled that it needed to be charged despite the fact that this was the first use after it was initially charged until the green light came on.I recharged it until the green light came back on and tried again to charge the lawn tractor battery-still nothing.I finally used a plug in battery charger and that did the trick. I don't know how useful this unit would be if I needed it to jump start a car battery.
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