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TITLE
Macintosh: Replacement Battery Alternatives
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Article ID:
Created:
Modified:
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14768
3/3/94
8/4/99
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TOPIC
I have a Macintosh LC computer. Are there specific brands and model numbers of batteries that can serve as replacements for the LC battery? The Apple part number, 742-0011, is sometimes in short supply.
DISCUSSION
A number of Macintosh systems use the same 1/2AA 3.6-3.9V lithium battery that powers the clock chip after the computer is shut down. (See the table below for a complete listing.) The battery has a life span of approximately 7 years and should be replaced when the clock begins to lose accuracy or when the contents of the parameter RAM are not maintained after powering down the system.
There are altenative sources for the batteries. For example, this part may be available through Sun Remarketing. In addition, computer stores may have the kind of batteries you will need; below is a list of replacement batteries:
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Substitute Batteries for Apple Battery Part Number 742-0011
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Manufacturer
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Part Number
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Hitachi Maxell
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ER3S
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ELECTROCHEM
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3B26
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ETERNACELL
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T04/41
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TADIRAN
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TL-2150, TL-5101
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VARTA
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VL1/2AA
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Macintosh Systems That Use Battery Number 742-0011
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Model
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Is Battery
User-Replaceable?
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Macintosh Classic
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No
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Macintosh Classic II
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No
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Performa 200 series
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No
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Centris 650/Quadra 650
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No
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Centris 660AV/Quadra 660AV
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Yes
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Color Classic
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Yes
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Color Classic II
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Yes
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Performa 275
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Yes
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Macintosh LC, LC II, LC III, LC 475
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Yes
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Quadra 605
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Yes
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Macintosh II
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No
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Macintosh IIx
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No
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Macintosh IIfx
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No
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Macintosh IIsi
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Yes
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Macintosh IIvx
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Yes
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Macintosh IIvi
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Yes
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Performa 600
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Yes
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Macintosh SE
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No
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Macintosh SE/30
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No
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Macintosh TV
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Yes
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Performa 400 series (including Performa 400, 405, 410, 430, 450, 460, 466, 467, 475, 476)
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Yes
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Performa 6100
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No
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Power Macintosh 6100 series (including 6100/60, 6100/60AV, 6100/66, 6100/66AV, 6100 DOS Compatible; not the Workgroup Server 6150/66)
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No
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Power Macintosh 7100/66
(not the 7100/80)
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No
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Power Macintosh 8100/80, 8100/80AV
(not the 8100/100, 8100/110, or Workgroup Server 8150)
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No
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Quadra 610/Centris 610
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Yes
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Workgroup Server 60
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Yes
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Quadra 800
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No
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Workgroup Server 80
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No
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Quadra 840AV
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No
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Macintosh LC 520
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Yes
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Performa 500 series (including Performa 550, 560, 575, 577, 578)
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Yes
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Quadra 700
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No
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Macintosh IIcx
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No
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Macintosh IIci
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No
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Quadra 900
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No
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Quadra 950
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No
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Workgroup Server 95
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No
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Consult your user manual for replacement instructions. Note that the battery on some systems is user-replaceable, while on others it should be replaced by an Authorized Apple Service Provider.
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