Never Let a Power Cut Become an Emergency
For a ventilator-dependent patient, mains power is a lifeline. This guide covers how to prepare for outages — and what to do the moment one happens.
Backup Options, Compared
Most families use a layered approach: internal battery as the first buffer, a dedicated UPS/inverter as the main backup, and a charged portable battery as a mobile option.
| Backup Type | Typical Runtime | Best For |
|---|---|---|
| Internal ventilator battery | 1–4 hours | Short, unexpected outages |
| External/portable battery pack | 4–12 hours | Longer outages, travel |
| Home UPS/inverter | Several hours (load-dependent) | Whole-room backup, multiple devices |
| Generator | Unlimited (fuel-dependent) | Extended outages, rural areas |
Setting Up Your Backup System
Plan, test and label the backup setup before an outage happens.
- Match the UPS/battery capacity to the ventilator's actual power draw (check the machine's rating plate)
- Test the backup system monthly — don't wait for a real outage to find out it's faulty
- Keep the internal battery always charged, even when the ventilator is on mains power
- Label your backup switch clearly so any caregiver can operate it under stress
What to Do the Moment Power Cuts
Follow these steps immediately when mains power fails.
- 1Stay calm — most ventilators switch to internal battery automatically within seconds
- 2Confirm on the display that the machine is running on battery power
- 3Switch to your secondary backup (UPS/inverter) if the outage looks extended
- 4Monitor the patient's oxygen level and breathing closely during the switch
- 5If all backup fails, begin manual bagging (Ambu bag) if you have been trained to do so, and call for emergency help immediately
Preparing for Long Outages
Families should prepare for extended outages based on the area and patient dependence.
- Keep a manual resuscitation bag (Ambu bag) at the bedside with training refreshed periodically
- Know your building/area's typical outage duration and plan backup accordingly
- Have your equipment provider's emergency number saved and easily accessible
How Srivari Healthcare Helps
Srivari Healthcare can advise on the right battery backup capacity for your specific ventilator model and help arrange a suitable UPS solution.