Replacing the battery
1. Unscrew the two parts of the power pack and separate the pieces.
2. Remove the old battery from its compartment in the power pack.
Tip:
Use a non-metallic object, such a toothpick, to gently lift the battery straight up. Do not
push the battery side-to-side as you are lifting it, or it will bind inside the compartment.
3. Place the new battery, with the + and – oriented as indicated, into the battery
compartment in the power pack. The + symbol is stamped onside the compartment for
reference.