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How to Keep Medical Devices Running During a Power Outage

Prepare a device-specific outage plan, verify backup power with the manufacturer, and know how to protect equipment and refrigerated medicines safely.
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To keep a medical device running during an outage, follow the device’s own emergency instructions and use only a backup power source confirmed by its manufacturer or distributor. Before an outage, ask the patient’s clinician what to do if treatment is interrupted, prepare backup supplies, and identify where to go if power cannot be restored safely. A generic battery or generator is not guaranteed to work with a particular device.

Prepare a plan for every powered device

Start with the exact device and the person’s treatment plan. FDA recommends telling the electric utility and local fire department that someone in the home relies on powered medical equipment, and asking the manufacturer or distributor whether that specific device supports battery or generator use. Ask the clinician how to respond if the device stops and what care alternatives, if any, are appropriate for that person.

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Record the details you may need in an emergency

  • Device name and model, power requirements, and any batteries or accessories specified by the manufacturer.
  • Manufacturer or distributor contact, clinician contact, and the device’s written outage instructions.
  • What to do if treatment is interrupted, minimum supplies needed, and any device-specific temperature requirements.
  • A destination to go if the device cannot safely operate at home, plus a way to transport the person, device, medicines, and supplies.

FDA’s power-outage guidance for medical devices recommends getting answers specific to the equipment and care situation rather than relying on a general outage plan.

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Confirm backup-power compatibility

Ask the manufacturer or distributor whether the exact device can use a battery, generator, adapter, or other backup source. Confirm the required output, connector, battery type, and expected runtime for the device’s actual load using its documentation or the manufacturer’s advice. The right setup depends on the device; there is no universal battery capacity, adapter, or runtime that can be assumed to work.

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Compare possible backup arrangements by whether the device maker approves them, their output and connection requirements, expected runtime under the actual load, charging or fuel availability, safe operation, portability, and maintenance. A portable power station may be an option only if the device manufacturer confirms compatibility and the available capacity meets the device’s needs. The CDC’s power-sources checklist includes items such as power banks and adapters, but that does not establish that a particular product will run a medical device.

Keep supplies and contacts accessible

Store written contacts and outage instructions where the patient or caregiver can find them without internet access. Maintain the backup supplies identified for the device and treatment plan. For insulin-pump users, FDA advises planning for applicable extra batteries, spare pump parts, backup insulin and injection supplies, emergency contacts, and the insulin’s storage requirements. Any medication dosing contingency should come from the patient’s healthcare provider, not a generic outage guide. See FDA’s insulin-pump guidance.

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CDC reports that people in the United States experience about four hours of power loss per year on average; this national average is not a prediction for a particular household or event. Use the confirmed runtime of the device’s backup plan—not that average—to decide when and where to relocate.

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What to do when the power goes out

  1. Follow the device’s emergency instructions. Use the plan agreed with the clinician and manufacturer. If the person depends on the device to stay alive, FDA advises seeking emergency services immediately.
  2. Use only a confirmed power source. Do not improvise with an unverified adapter, battery, or generator. If the device or power cord is wet, do not plug it in or use it; check the manufacturer’s instructions and seek help if needed.
  3. Keep equipment dry and protected. Keep the device and supplies clean, dry, and away from wet or contaminated conditions.
  4. Relocate if continued use at home is not safe. Follow the destination and transport plan. FDA also recommends contacting local public health authorities where possible to request evacuation ahead of severe weather.

FDA’s guidance on outages and home-use devices covers water damage, emergency help, manufacturer instructions, and preparing a place to go.

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Use generators safely

A generator can create a fatal carbon monoxide hazard. CDC’s instruction is direct: “Never use a generator or other gasoline-powered engines inside your home.” Operate a generator outdoors, use an outdoor-rated extension cord where appropriate, and have a working battery-powered or battery-backup carbon monoxide detector when a generator is in use. Plan ahead for safe placement and enough fuel for the period you may need it; follow the generator maker’s instructions as well as the medical-device manufacturer’s requirements.

See the CDC’s generator safety guidance and power-outage supply checklist.

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Protect refrigerated medicines and supplies

Use each product’s own labeling for its required storage temperature. During an outage, FDA advises keeping refrigerator and freezer doors closed. It says most refrigerators and freezers maintain temperature for at least one day if unopened, but that general guidance does not guarantee that a particular appliance or medicine stayed within its required range.

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If a refrigerated product must be moved, maintain its labeled temperature with ice or dry ice only as appropriate to the product’s instructions. Avoid freezing products that must not freeze. CDC specifically advises keeping insulin cool, away from heat and sunlight, and not frozen; freezing can cause insulin to break down. Consult the product label and CDC’s insulin guidance for emergencies. A cooler or cold pack is not automatically suitable for every medicine or supply.

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After power returns

Check the device’s settings before relying on it: FDA warns that some devices may reset to a default mode after an interruption. Inspect the device and cords for water damage before reconnecting; do not use wet or damaged equipment.

For refrigerated products, check temperatures if possible and follow the product’s storage instructions. If the required conditions may have been exceeded, contact the manufacturer, pharmacist, or clinician for product-specific advice rather than deciding from the outage duration alone. FDA’s device outage advice and refrigerated-device and product guidance address these checks.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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