Blog Library
CPAP Battery Blog
Battery reviews, sizing calculators, compatibility guides, and travel tips to keep your CPAP running all night — whether the power goes out or you're miles from an outlet.
Featured
Best CPAP Backup Batteries in 2026: Complete Buyer's Guide
Side-by-side comparison of the top CPAP backup batteries — purpose-built packs and portable power stations ranked by runtime, weight, and compatibility.
Read guide →All Guides
CPAP Battery Sizing Guide: How to Calculate Exactly What You Need
Step-by-step watt-hour math for CPAP backup batteries. Calculate your machine's real power draw, factor in humidifier settings, and pick the right capacity.
CPAP Backup Battery Travel Checklist: Flying, Camping & Road Trips
Complete checklist for traveling with a CPAP backup battery — FAA rules, TSA tips, airline limits, and packing strategies for stress-free trips.
CPAP Battery Compatibility Guide: Which Batteries Work with Your Machine
Complete compatibility matrix for CPAP backup batteries and popular CPAP/BiPAP machines from ResMed, Philips, and other brands.
CPAP Backup Battery for Power Outages: Keep Your Therapy Running
How to prepare your CPAP for power outages — battery sizing, UPS options, automatic failover setups, and what to do when the lights go out.
CPAP Camping Setup: Best Backup Battery for Off-Grid Sleep Therapy
Complete guide to running your CPAP while camping — battery options, solar charging, power optimization, and gear recommendations for tent and RV camping.