PowerWalker VFI 1000 TG, User Manual

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5.3 Battery recharge:
Fully charge the batteries (external) of the UPS system by leaving the
UPS system connected to the mains power for 1-2 hours approximately.
The UPS system is able to operate directly without recharging process,
but the backup time may be shorter than the nominal value specified.
5.4 Turn on the UPS:
(1) With mains power connecting:
Press On-button continuously for more than 1 second to turn on the
UPS, the UPS will get into the Line mode; the LCD screen will
indicate the state of the UPS.
(2) Without mains power connecting:
Even though mains power is not connected to the UPS, the UPS still
can be turned on by just simply pressing on button continuously for
more than 1 second with external batteries connected, the UPS will
get into the Battery mode, and the LCD screen will indicate the state
of the UPS.
Note: The default setting for bypass mode is no output after UPS
is connecting mains power and breaker is turned on. This can be
configurable.
5.5 Test function:
Test function is checking battery performance of the UPS system by
pressing the On-Switch for more than 1 second while UPS is operating
in Line mode, the UPS would detect whether the battery is connected
or the battery is weak. And the UPS could also implement this test
automatically and periodically, the period time is configurable.