Money-Saving 12-volt to 1.5-volt Battery Trick
These days, shooters use all sorts of battery-powered accessories: chronographs, electronic ear-muffs, wind meters, timers, laser-rangefinders, even pulse-monitors. While AA or AAA batteries are easy to find and relatively inexpensive, many modern digital gadgets use smaller (yet more expensive) 1.5-volt batteries.
Here’s a simple “hack” that gives you eight (8) 1.5-volt button batteries for the price of a single A23 Energizer 12-volt battery (about $2.00 per pair). If you use the 1.5-volt batteries, this could save you quite a bit of cash. Just peel open the Energizer A23 with a screwdriver and you’ll find eight 1.5-volt batteries inside.
Note — this trick is known to work only with the Energizer A23, 12-volt battery. If you use another brand of A23, you might just end up with a ruined A23 and nothing else.
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An energizer A54 yeilds qty (4) A76 batteries. These are equiv to 357 or LR44 cells.