ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.
I would charge mine during the night and then forget to take it with me in the morning.
Cell Phone Etiquette
Making a Cell Phone Holder
Keeping Track of Socks
Cleaning a Silicone Cell Phone Case
Homemade Cell Phone Amplifier
Keeping Track of the End of Tape