Powercom 625A - Manual (Page 14)

9. Battery Replacement
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Your battery should run any where from 3-5 years before eve needing to be
replaced.
Please follow the instructions below for easy battery replacement.
1) Unplug unit from AC power source and disconnect all connected equipment.
2) Disconnect AC power cord from unit..
3) Turn unit upside down and using a phillips screw driver, unscrew the 4
screws holding the top of the unit to the bottom. Put screws in a safe place for
reconnection.
4) Holding the top together firmly with the bottom, turn the entire unit right side
up.
5) Carefully lift top cover off and place to the side. The connecting wires and
electronics will be exposed. Be careful not to touch any inner components
when changing the battery.
6) Remove the 2 connecting wires from the battery.
7) You can now easily remove the battery from the unit
Caution: Do not dispose of battery in fire.
Caution: Do not attempt to open the battery.
Caution: The following precautions should be taken when replacing the
battery
remove watches, rings, etc…
use tools with insulated handles
8) Place your new battery in the same position/direction and reconnect the
wires red wire-position(+) and black wire negative(-)
9) Please follow steps 5,4 and 3 (in that order) to reconnect the entire unit.
10) Please follow manual instructions in order to properly reconnect your
equipment.