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Epower2go 840 replaces Rayovac 840, 841, 844 $22.00 each Free shipping via USPS Priority Mail
THIS PRODUCT SHIPS FREE VIA THE UNITED STATES POSTAL SERVICE (USPS) PRIORITY MAIL (One (1) to four (4) day service) TO THE U.S. (All 50 states), APO and FPO addresses and U.S. territories and possessions served by the U.S. Postal Service.
Additional Information: Apple part number: 922-0750. The Rayovac 840 battery was typically used in Macintosh Performa desktop systems plus the clones made by Motorola (StarMax and UMax) as a PRAM retention battery. The Epower2go 840 also replaces the Rayovac 841 which used a shorter wire harness.