How to turn off UPS

Feb 24, 2018
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Hi guys, i wanna ask something, i just bought a A*C ups, but now i dont know how to turn it off, if i just unplug it from the electrical source it changes to battery mode(ups use its batery power to operate instead from electrical source). There are only 2 button on my ups, power and circuit breaker, i did press power button but nothing happened, if press and hold it changes to program mode and blah blah blah...can someone tell me how to shutdown/turn off this ups instead waiting 5-10 minute To drain its battery?thank you