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22.5V (BL-015) batteries
It is very difficult to find alternatives to the 22.5v batteries used in Sanwa products manufactured between 1950s and 1970s. Unfortunately, Sanwa cannot be of help in sourcing alternative batteries.

These batteries are only required when using the resistance measurement function to measure within the R x 10k range and are not required for other ranges. Therefore, we would respectfully suggest that the user does not use resistance measurements within the R x 10k range, or considers the purchase of a new tester.  
Posted at:2012-06-13
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