Battery Adapter For AN/URC-68
AN/URC-68 Is a fully transistorized "Bail Out" emergency radio designed for
pilots. Will net with both ground nautical and aircraft radios. Also saw use with Special
Forces and pathfinder units.
Original battery designation BA-1112/U.
10 "AA" type cells.
8 "AAA" Cells.
4 - battery holders, hookup wire; black and red, 4 - 5/8" long machine screws with
nuts and star washers, and plastic.
Using an X-Acto knife or a hot knife, score the battery case, as shown, along the case-lid
glue joint. Score using very light, repeated cuts, so that you don't break the case. See
Once the lid is off, you'll see 10 "AA" type cells glued inside & wired
to the two connectors on the lid. Pry the cells apart carefully with a small screwdriver
& cut the wires from the connectors. Throw the cells away.
Use a soldering iron to heat the solder, and remove the wires from the connectors. Take
a piece of 2-1/2" long red hookup wire and strip off 1/4" off each end. Solder
this to the positive (+) battery inside the connector. Strip a 4-1/2" piece of black
hookup wire as noted above. Then solder it to the negative (-) battery inside the
Using a sharp knife, scrape two slots as shown in [Figure 2], about 1/16", top to
bottom. This will provide room for the battery holders.
Glue the battery holders as shown in [Figure 2]. Solder hookup wire as shown in [Figure
Glue the 4 nuts into position as shown in [Figure 2]. Drill 4 matching holes in the
lid. Insert the machine screws and star washers. "Washers" can be cut from
plastic (a coffee can lid etc., is ideal) about 1/2" square with a hole punched in
the center. Force these over the screws on from the inside of the lid, this will keep you
from losing the screws.
Place 8 fresh "AAA" cells into the holders, screw down the lid (cover), and
install on your radio.
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