840 - Rayovac 840 4.5 Volt Alkaline CMOS PRAM Battery
The Rayovac 840 is a 4.5 Volt 650 mAh alkaline computer clock CMOS PRAM
battery with a 7 inch wire harness Berg-type connector and Velcro fastener. Apple part number: 922-0750. Note - the Rayovac 840 is now made using machine assembled cases. The manufacturer logo and identifying markings are embossed onto a solid plastic case. Older Rayovac 840
batteries use a paper label and have not been manufactured since 1997. The Rayovac 840
battery replaced the Rayovac 841 battery (3 inch wire harness in 2003 and can be used to replace the Rayovac 844
battery (same Voltage but lower capacity).
The Rayovac 840 battery is
typically used in Macintosh Performa desktop systems plus the clones made by Motorola
(StarMax and UMax) as a PRAM retention battery. Many types of IBM desktop systems including those made by
Hewlett-Packard, Compaq and
Dell use the Rayovac 840 battery to maintain the computer clock and CMOS RAM
information.
Note: Alkaline clock
batteries including the Rayovac 840 can be shipped interstate via UPS ground or
air services plus USPS Priority Mail.
Regularly: $10.00
On Sale: $6.75
|
