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Use your laptop for a tracing backlight.
Authored by: Scottcoletti on Feb 21, '12 09:51:41AM

I matched an old iBook with a white screen set up and 2 refurbished APC UPS batteries for emergency light ( as well as audio player/ recorder, & music alarm clock,. I have only used it once in the last 6 years and the screen lit up the entire room for over 40 min on one battery before the electricity came back on. I have not bothered calculating how many minutes each battery would provide. I have not had to change batteries yet, but replacement lead acid batteries are less than 20 bucks.

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