PowerWalker VFI 6000LE Plus - Manual (Page 23)

20
2) Suggest charging the batteries for 10 hours before use. Otherwise
the backup time may be less than the standard value.
3.6 Discharge the batteries
1) When the UPS is in battery mode, the buzzer will beep according to
different battery level. If the battery voltage drops to the alarming
level, the buzzer will beep hurry (once every sec) to remind the user
that the battery is low level and the UPS will be shutdown
automatically soon. The user could switch off some non-critical loads
to avoid the shutdown alarming and prolong the backup time. If have
no more load to be switched off at that time, you have to shutdown
all loads as soon as possible to protect the loads or save data.
Otherwise there is the risk of data loss or load failure.
2) In battery mode if the user don’t like the buzzer noise, the beep
could be muted by short-press the button.
3) The backup time of the long backup time model is dependent on the
external battery capacity except the load capacity mainly.
4) The backup time may vary from different environment temperature
and load type.
3.7 Test the batteries
1) If you need to check the battery level or aging status when the UPS
is running on normal mode (line mode), you could short-press the
button to let the UPS transfer to battery test mode.
2) To make the system more reliable, the UPS will perform the battery
test automatically periodically. The default period is once per week.
3) The battery test could be performed by the command from
monitoring software through the communication port.
4) If the UPS enter the battery test mode, the display and buzzer
indication will be same as the battery mode except that the
Bypass/Battery LED is flashing. So you can check the battery level
at this mode.