We're in the middle of a planned power cut while they stick new poles up.
Power went off at 9am and at 2pm roughly, our BT UPS boxes started moaning that the battery was getting low. Not bad...5 hrs.
The power is expected to be off until 5pm and fortunately due to BTs incompetence I have three other UPSs, so Ive just switched new ones in. Should see us through to 7pm at least. If not it's dinner on the driveway in the caravan.
Edit: Just read the manual. The UPS starts beeping battery low when it gets to 45%. So 5hrs to 45% seems good.
Power went off at 9am and at 2pm roughly, our BT UPS boxes started moaning that the battery was getting low. Not bad...5 hrs.
The power is expected to be off until 5pm and fortunately due to BTs incompetence I have three other UPSs, so Ive just switched new ones in. Should see us through to 7pm at least. If not it's dinner on the driveway in the caravan.
Edit: Just read the manual. The UPS starts beeping battery low when it gets to 45%. So 5hrs to 45% seems good.
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