PowerWalker VFI 1000RT LCD Manuel page 16

 Do not open or mutilate the battery. Released toxic electrolyte is harmful to
skin and eyes.
Note: If you are not qualified service personnel to replace the battery, do
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not attempt to open the battery cabin. Please call local dealer or
distributor immediately.
1.3.4 Replacing UPS Internal Batteries
Follow the steps and Charts as below to replace batteries:
1. Take off the LCD box, and remove the screws.
2. Slide and Pull the front panel leftward and then take it off.
3. Disconnect the cable from the UPS and battery pack.
4. Remove the right inner battery bracket.
5. Pull the battery pack out onto flat area.
6. Install new battery pack into UPS.
7. Screw up the battery bracket and reconnect the battery cable A and B
8. Re-install the front panel back to UPS.
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