Easy For Battery Replacement - CyberPower OLS3S15KE User Manual

materials from the authorized distributors or service centers, so as to avoid
overheat or spark resulting in fire due to insufficient capacity.
Do not dispose of batteries or battery packs in a fire, they may explode.
Do not open or mutilate batteries, released electrolyte is highly poisonous and
harmful to the skin and eyes.
Do not short the positive and negative of the battery electrode, otherwise, it may
result in electric shock or fire.
Make sure that there is no voltage before touching the batteries. The battery
circuit is not isolated from the input potential circuit. There may be hazardous
voltage between the battery terminals and the ground.
Even though the input breaker is disconnected, the components inside the UPS
are still connected with the batteries, and there are potential hazardous voltages.
Therefore, before any maintenance and repairs work is carried out, switch off the
breaker of the battery pack or disconnect the jumper wire of connecting between
the batteries.
Batteries contain hazardous voltage and current. Battery maintenance such as
the battery replacement must be carried out by qualified personnel who are
knowledgeable about batteries. No other persons should handle the batteries.

8.2. Easy for Battery Replacement

Note: The battery pack is 20kg weight, be careful not to fall off when operate the battery
replacement.
If you want to replace batteries without powering down the UPS, you need to set the
UPS work in Bypass Mode. That is to remove the maintenance bypass switch cover
plate of UPS and set the maintenance bypass switch from "UPS" to "BPS", turn the
M1/M2/N input breaker in the "OFF" position(you need open the N breaker's cover at
first), and then you can replace it.
Open the front panel and request service engineer to replace batteries. Steps:
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