On Thu, Oct 23, 2008 at 11:30:37AM -0400, John C Nash wrote: > use external packs or adapters. And the Asus 900 uses 12V in. Canadian > Tire here we come. Be careful using 12V batteries. The Asus may be expecting a regulated (stable) 12V input. Batteries are unregulated power supplies. In addition most 12V aren't exactly 12V. A 12V lead-acid battery is 12.6V fully charged, under 12V when discharged, and up to 15V (or more) when charging. -- sg