Double check your battery charger

[tbodine88]

I bought this charger, the XX2 power charge from Batteries plus.
To keep my battery up in my truck. While I was on my cruise. I used it on my car first for the first month and it worked fine.
Just before I left on the second part of my cruise for 2 months. I plugged it in, connected it to the truck, and left without double-checking the charger.
Sometime after I left, it went into a fault, so it stopped charging the yellow light was on, the caution lamp at the bottom beside the mode button. the battery was at twenty percent or less.
I unplugged and replu ged, and now, 2 days later, the battery is fully charged.

Next time, I will double-check it before I leave.