1. Introduction
The Medistrom Pilot Flex 98Wh CPAP Battery Backup Power Supply is a portable and reliable power solution designed to ensure uninterrupted CPAP therapy. This device is suitable for use at home, during travel, or as a backup power source during outages. Its compact design and dual voltage compatibility make it a versatile accessory for various CPAP machines.

Image 1.1: The Medistrom Pilot Flex 98Wh CPAP Battery, a compact and portable power supply.
2. Safety Information
Important Safety Instructions:
- Read all instructions before using the Pilot Flex battery.
- Do not expose the battery to water, fire, or extreme temperatures.
- Do not disassemble, puncture, or modify the battery.
- Use only approved charging cables and adapters.
- Keep out of reach of children.
- Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
3. Package Contents
Verify that all items are present in your package:
- Pilot Flex Battery
- Product Manual & Quick Start Guide (English, French, Spanish)
- Short Charging Adapter and Output Cable for ResMed AirMini
- Short Charging Adapter and Output Cable for AirSense 11
Note: Cables for other CPAP machines (other than AirSense 11 and AirMini) must be purchased separately.

Image 3.1: Visual representation of the items included in the Pilot Flex battery package, showing the battery, manual, and included cables for AirMini and AirSense 11.
4. Product Overview and Features
The Pilot Flex battery is designed with user convenience and durability in mind. It features multiple ports for charging and output, and a robust aluminum casing.

Image 4.1: Top-down view of the Pilot Flex battery highlighting its ports: Charge input, USB-C In/Out, USB In/Out, and DC Out.
Key Features:
- Dual Voltage Technology: Supports both 12V and 24V CPAP machines.
- Average Run Time: Up to 16 hours of CPAP use on a single charge (actual runtime varies by pressure setting and device model).
- Multiple Recharging Options: Can be recharged via AC power, car charger (sold separately), or solar panel (sold separately).
- Durable Construction: Built with a tough aluminum case for enhanced durability and heat dissipation.
- Travel Friendly: TSA-approved and FAA-compliant at 98Wh, weighing approximately 1.2 lbs (544g).

Image 4.2: Infographic detailing key features such as dual voltage (12V & 24V), average 16-hour runtime, multiple recharging options, and aluminum construction.

Image 4.3: Dimensions and weight of the Pilot Flex battery, emphasizing its compact and travel-friendly design (6.6 inches long, 3 inches wide, 0.8 inches thick, 1.2 lbs).
5. Setup
5.1 Initial Charging
Before first use, fully charge your Pilot Flex battery. Use the appropriate charging adapter and cable provided or purchased separately. Connect the charging adapter to a power outlet and then to the battery's charge input port.
5.2 Connecting to CPAP Machines
The Pilot Flex battery is compatible with various CPAP machines. Specific cables are required for different models. Cables for AirSense 11 and AirMini are included. For other machines, cables must be purchased separately.

Image 5.1: Diagram showing how to connect the Pilot Flex battery to ResMed AirSense 11 and AirMini CPAP machines using the included cables.
5.3 Charging Mode
To charge the Pilot Flex battery, connect the short charging adapter to your CPAP machine's AC power cable, then connect the adapter to the battery's charge input.

Image 5.2: Illustration of the charging mode for the Pilot Flex battery using the original AirMini AC power cable and short charging adapter.

Image 5.3: Illustration of the charging mode for the Pilot Flex battery using the original AirSense 11 AC power cable and short charging adapter.
6. Operation
6.1 Travel Mode
To power your CPAP on the go, connect the DC output cable from the Pilot Flex battery directly to your CPAP machine.
6.2 Backup Mode (Flowthrough Capability)
Use the Pilot Flex as a backup power supply. In the event of a power outage, your CPAP machine continues running seamlessly, drawing power from the battery for uninterrupted sleep. Connect the short charging adapter to your CPAP machine's AC power cable, then connect the adapter to the battery's charge input. Connect the DC output cable from the battery to your CPAP machine.

Image 6.1: Various scenarios where the Pilot Flex can be used, including powering CPAP without an outlet, during camping/road trips, as a backup power source, and for charging personal devices.
6.3 Runtime Information
The actual runtime of the Pilot Flex battery varies depending on the CPAP machine model, pressure settings, and whether humidification or heated tubing is used. Refer to the table below for estimated runtimes.

Image 6.2: A table detailing estimated runtimes for various CPAP machine models (ResMed, Philips Respironics, Löwenstein, React Health) under different pressure settings and humidifier/heated tubing conditions.
7. Compatibility
The Pilot Flex battery is designed to be compatible with a wide range of 12V and 24V CPAP devices. While cables for AirSense 11 and AirMini are included, connectivity cables for other machines are sold separately.

Image 7.1: Visual list of CPAP machines compatible with the Pilot Flex battery, including ResMed AirSense 10, SmartMed iBreeze, Philips Dreamstation, 3B Medical Luna, Apex Medical iCH, Philips Dreamstation 2, Löwenstein Medical Prisma SMART, Sefam S-Box, and Philips Respironics System One S60.

Image 7.2: A detailed breakdown of CPAP machines compatible with included cables (AirMini, AirSense 11) versus those requiring separate cable purchases (AirSense 10, DreamStation, etc.).
8. Maintenance
8.1 Charging and Storage
- Fully charge the battery before long-term storage.
- Recharge the battery every 3-6 months if not in regular use to maintain battery health.
- Store the battery in a cool, dry place away from direct sunlight and extreme temperatures.
8.2 Cleaning
Wipe the exterior of the battery with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
8.3 Additional Charging Options
Medistrom offers additional charging accessories for the Pilot Flex, including car chargers and solar panels, which are sold separately.

Image 8.1: Examples of additional charging options for the Pilot Flex, including a car charger for in-vehicle charging and a 50W solar panel for outdoor charging.
9. Troubleshooting
- Battery not charging: Ensure the charging cable and adapter are securely connected to both the battery and the power source. Verify the power outlet is functional.
- CPAP machine not powering on: Check that the DC output cable is correctly connected to both the battery and the CPAP machine. Ensure the battery has sufficient charge. Confirm that the correct cable for your specific CPAP model is being used.
- Short runtime: High pressure settings, humidifiers, and heated tubing significantly reduce battery runtime. Disable these features if extended runtime is required. Ensure the battery is fully charged before use.
- Incorrect cable connection: Some users report issues with cable compatibility. Ensure you have the correct DC output cable for your specific CPAP machine model. While AirSense 11 and AirMini cables are included, others are sold separately.
10. Specifications
| Specification | Value |
|---|---|
| Product Dimensions | 6.57 x 2.95 x 0.79 inches |
| Weight | 1.8 Pounds (approx. 0.82 kg) |
| Item Model Number | Pilot Flex P98MPF |
| Battery Type | 1 Lithium Ion battery (included) |
| Capacity | 98Wh |
| Input Voltage | 12V / 24V (Dual Voltage) |
| Output Voltage | 12V / 24V DC |
| Manufacturer | Choice One Medical |
11. Warranty and Support
Medistrom products are manufactured to high-quality standards. For warranty information and technical support, please refer to the warranty card included with your product or visit the official Medistrom website. Keep your proof of purchase for any warranty claims.