When it came time to replace, I used a smaller battery with a rare earth magnet on it. I had several of the smaller batteries to use and just grabbed the magnet off the 'fridge.
"If you look through your scope and see your shoe, aim higher." -- said to me by my 11 year old daughter before going out for hogs 8/13/2011
My Hunting Videos https://www.youtube.com/user/HornHillRange