Sentry Safe Battery Holder
Sentry Safe Battery Holder . Equipped with a dual key lock and bolt down hardware to help prevent unwanted access. Slide open battery cover below keypad. Bricktronics 6AA Battery Pack Wayne and Layne from www.wayneandlayne.com Insert a paper clip or pen point into the small hole in the cover. The plastic battery holder has a connection for a 9 volt battery terminals. Either drill the lockout, or you can use paper clips to bypass the lock.