What is the basis for this claim? I've been using a 15-minute charger with all types of rechargeable batteries and have experienced no detectible so-called damage. ----- Original Message ----- From: "Kevin Jones" <kevin@xxxxxxxxxxx> To: <bookport@xxxxxxxxxxxxx> Sent: Thursday, September 22, 2005 6:44 PM Subject: [bookport] Re: a source for rechargeable batteries and charger The problem with the 15 minute chargers is that they in part damage the batteries while charging them The Maha 204w charger seems to be the best all around nimh charger currently You can get lots of cool information if you read The great battery shootout By David Etchells Here's the link http://www.imaging-resource.com/ACCS/BATTS/BATTS.HTM