I bought a Duralast 800 amp jump starter at Advance Auto and got it home and turned it on. No lights, so I plugged it in over night and still no lights. Nothing. I took it back and they refunded my $90. They said it looked used. I told them that's the one they gave me yesterday and all I did was plug it in. They acted stupid like I was pulling a fast one on them but I told them they were trying to sell me a used dead one.
I went to Home Depot and bought a Vector 1600A for the same price. Got it home and it was fully charged. I ended up putting it in the back of my wife's car incase she gets stranded somewhere.
I also bought a Vector 1.5 amp charger/maintainer for my zero turn.