battery

Hey guys! So with the %50 off sale at Spirit today, I got two battery powered Skull Strobe type things. My question is is there some way I can set this up so I can just plug it in rather than using batteries? Does anyone have any suggestions for what I could do with these? They were so cheap...

i have been reading for weeks and havent come across this topic , so as a non electrical person,and no local cheap or free help. heres my question - can battery run props ( 2 or 3 AA battery things , 2 D battery etc) be turned into things that plug into extention cords? because i am sick of...

Well I won an ebay auction and now I have two wheelchair motors coming my way. yay! I'm trying to build a people mover chair, like this: but am unsure of the electronics. The way I see it, I'd like the switches to be behind the chair where someone could switch it on or off from there. I...

I'm building a stationary contraption that, in addition to being plugged into the wall, needs a continually-charged battery backup in case the power goes out. I'll be powering a microcontroller and occasionally (for a few seconds every hour) running a wiper motor. Assuming I can get my stuff...