It's not how big the voltage, it's the flurrent of the current. If you know what I'm sayin'.
Because taking the time to solder really is worth avoiding the trip to "The Shack."
If any of my toys had C or D batteries growing up, I instantly liked them less. ~Not-So-Handy Andy
From the submitter:
I was traveling in China for 2 weeks, and had brought a spare camera battery, but no charger. Borrowed a friend's charger, found some wire, and voila.
He's really putting the miles on those portable speakers. ~Not-So-Handy Andy