APC 650 - Manual (Page 18)

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10.4 Battery Replacement Procedure (1000 and 1400 VA models)
Note: Please read the cautions in section 10.1.
Battery replacement is a safe procedure, isolated from electrical hazards. You may leave the UPS
and loads on for the following procedure.
1.
Grasp the top of the front cover and tilt it out and down.
2. Unhook the bottom of the cover from the chassis and lift it upward to expose the battery
door. Be careful not to strain the ribbon cable. Do not touch the exposed printed circuit
board.
3. Fold the front cover on top of the UPS as shown.
4. Use a screwdriver or a coin to remove the two battery door screws and open the door.
5. Grasp the tab and gently pull the battery out of the UPS.
6. Disconnect the battery leads. Pull the two gray couplers apart to disconnect the battery.
7. Connect the battery leads to the new battery. Note: Small sparks at the battery connectors are
normal during battery connection.
8. Slide the battery into the UPS, close the battery door, replace the battery compartment screws,
and replace the front cover.
9. Dispose of the old battery properly at an appropriate recycling facility or return it to the sup-
plier in the packing material for the new battery. See the new battery instructions for more in-
formation.
11. Storage
11.1 Storage conditions
Store the UPS covered and upright in a cool, dry location, with its battery fully charged. Before
storing, charge the UPS for at least 4 hours. Disconnect any cables connected to the computer in-
terface port to avoid unnecessarily draining the battery.