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2.3 Important notices
1. Caution - risk of electric shock.
Even after the unit is disconnected from the mains power supply (building
wiring socket outlet), components inside the UPS system are still
connected to the battery and are still electrically live and dangerous.
Before carrying out any kind of servicing and/or maintenance, disconnect
the batteries and verify that no current is present.
2. Only persons adequately familiar with batteries and with the required
precautionary measures may exchange batteries and supervise operations.
Unauthorized persons must be kept well away from the batteries.
3. Batteries may cause electric shock and have a high short-circuit current.
Please take the precautionary measures specified below and any other
measures necessary when working with batteries:
- remove wristwatches, rings and other metal objects
- use only tools with insulated grips and handles.
4. When changing batteries, install the same number and same type of
batteries.
5. Do not attempt to dispose of batteries by burning them. This could cause
battery explosion.
6. Do not open or destroy batteries. Escaping electrolyte can cause injury to
the skin and eyes.
7. Ensure that no fluids or other foreign objects can enter the UPS system.