Originally Posted by bushwick1234
There is no battery issue since you can use the Varta 1.5 Alkaline battery (Made in Germany!) that replaces the PX625 (original Mercury battery), on eBay for US$8.76 2pc package.
Akshully there is no battery issue because any decent tech can update the meter to use modern 1.5 v cells.
Your meter reading will not be correct if you use 1.5 V w/o making the adjustment. Originally it uses 1.35V