When I plug my MacBook Pro Power Adapter into most/all outlets, I see a blue spark as the prongs enter the outlet. Is this normal? [more inside]
posted on Aug 17, 2008 - 10 answers

Will a universal Craftsman charger work with my 15.6V drill? [more inside]
posted on Jul 1, 2008 - 2 answers

Coincidence, or a problem with a wall outlet in my new apartment? My cell phone and laptop batteries are suddenly holding charges for shorter and shorter periods of time. [more inside]
posted on Sep 24, 2007 - 6 answers

Calling electricians: can I use one of those "battery chargers" they sell at Auto Zone to power a small appliance that needs 12V? [more inside]
posted on May 26, 2007 - 13 answers

ChargerFilter: Do chargers for things like mobile phones, digital cameras, camcorders etc. use power (and cost money) if they are left plugged in? [more inside]
posted on Jul 28, 2006 - 21 answers

My new car won't charge my ipod or phone when the car is turned off. Is there anything I can do to change that? [more inside]
posted on Mar 17, 2006 - 9 answers