Thanks, Jim. They are alkaline. Bernie Thanks Bernie, but I bought some of their batteries before, but they weren't alkaline or super alkaline and lasted about 2 hours in my gps. Check before you buy them. Jim From: Bernie Ver Hey [mailto:Happykraut@xxxxxxxxxxxxx] Sent: Wednesday, May 18, 2011 6:55 AM To: 'geocaching@xxxxxxxxxxxxx' Subject: Batteries That was suppose to be BassPro NOT Cabellas. Sorry. Bernie