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Ever since finding out about the Eight LR932 Button Cells Inside One A23 Battery, I've been looking for way to use these button cells. You see, I have plenty of used A23 batteries, because they are used in garage door opener remotes and car remotes. These used batteries can no longer power the remotes, but may still have enough energy for other purposes.
The firearm laser sights seems to be good candidates to use these LR932 battery cells, because: 1) they usually don't draw too much power; 2) they usually use battery cells that are bigger than the LR932. Most laser sights standardize on the bigger and thicker AG13 batteries, which is larger than the LR932 (see photo below). The AG13 button cell has a diameter of 11.6 mm with a height of 5.4 mm. The LR932, on the other hand has a diameter of 9.3 mm with a height of 3.2 mm.
Cross-Reference
Other common names for the AG13 button cells are SR44, SG13, LR44, LR154, 6135-99-792-8475, 6135-99-651-3240, A76, S76, EPX76, 157, 303, 357, 1128MP, 208-904, A-76, A613, AG14, AG-14, CA18, CA19, CR44, D76A, G13A, G13-A, GDA76, GP76A, GPA7, GPA75, GPA76, GPS76A, KA, KA76, L1154, L1154C, L1154F, L1154G, L1154H, LR44G, LR44GD, LR44H, MS76H, PX76A, PX675A, RPX675, RW82, SB-F9, V13G, 357A, LR1154, SR1154, 1166A, 1107SO, 1131SOP.
Even though there is a size disparity between the AG13 and the LR932, it is possible to use the LR932 battery cells in laser sights. This article will show you how.
The A23 battery has a seam down its side. Use a thumb tack to widen the seam. Then use a hobby knife or a pair of pliers to pull the outer shell apart. You'll end up with a bunch of LR932 button cells and other bits and pieces. Throw away the shell, but don't throw any other parts away. You'll need to use some of these other parts for this project.
Cross-Reference
Other common names for the A23 battery are V23GA, 23A, 23AE, MN21, L1028, 8LR23, LRV08, 8LR932, 1811A.
After taking apart several A23 batteries, you would end up with lots of metal parts (see photo below). These metal parts will act as conductive shims to make up the spaces that the smaller LR932 battery leaves open in the battery compartment.
For example, in the Gamo 650NM Red Laser Sight below, we used two LR932 to replace the two AG13 button cells. Then we used two metal plates back to back to fill up the extra space in the battery compartment (see photo below).
The used LR932 battery cells works well in the red laser sights. They provided enough power to last a while. The spent battery cells are great for "Emulating Infrared Laser Sight with Standard Red Laser Sight".
I took the Gamo laser sight with the LR932 battery cells to Evike's The Airsoft Camp (TAC) 2014. In the night operation, the forest was pitch black. We were only able to see the blue LED on the enemy in the dark. Luckily, my laser was sighted to my red dot. When the enemy came into range, I turned on the laser, placed it on the blue LED, fired, then turned off the red laser. I eliminated so many enemies that night in this manner. You can read more about it in the "Night Tactics in the Forest" article.
In addition, if you take used LR932 out of the A23 remote control battery, you can then run-down battery cells to power a IR-like laser red dot for your night vision monocular. See the "Build a Zombie Hunting Monstrosity Pistol" article for more info.
- Amazon User Reviews
- Amazon User Reviews
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