It will work just fine without the backlight. Shine a flashlight on it and you will see it working.
Just don't expect to be able to play a game on it while holding a flashlight :P
Score and snap is one method. Use a ruler and run a utility knife down it until you get a good line, flip it over and do the same. Then hold it on the edge of a table and snap it off.
Use a skill saw or table saw. But tape the line you are cutting with painters tape or duct tape. Then cut...
Re: Which one of these batteries woud you recommend? (or oth
http://forums.benheck.com/viewtopic.php ... w=previous
Seems like those batteries are junk. Guess stupid Ebay sellers just want to steal your money.