Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: Battery would not charge - thanks J.E.

My battery was fully discharged too, and all the charger would do is show the blinking light. I tried taking it out and back in to the charger several times, but still no luck.Many thanks to J.E. for his description of using a 9 V battery with wires to the NP-20 terminals. I did this for 30 seconds as he suggested, and when I put it into the charger, sure enough it started charging. In less than an hour it was fully charged. I put it back into the camera, and it is working fine now.I had a pair of wires that used for something years ago that had soldered alligator clips to each end. That made it very easy to attach to the 9 V battery, and then just held the other ends to the camera battery.A GREAT idea!I'll never get another camera that does not take regular AA or rechargeable AA batteries.