On Jun 1, 2008, at 2:00 AM, Randy B. Singer wrote: > I've heard from users who have had the same type of problem that you > are experiencing and who at first told me that their PRAM battery > tested out fine. But in the end their problem wasn't resolved until > they replaced the battery with a new one. > > In my mind, if you have a battery that is known to routinely give > out in about three years, and you are experiencing the type of > problems that are typical of a drained battery, and your battery is > three or more years old, not replacing that $5 battery is penny wise > but pound foolish. Good advice. When checking a battery it should always be tested under load, i.e. in the circuit. If you tested it out of the computer that can give you faulty readings because even a near-dead battery can show normal voltage.