ChargeAll: A portable battery pack with a 120V AC wall plug outlet, so you can power all your things - ExtremeTech
Belkin Travel RockStar 3-in-1 2A USB and Dual-Outlet BST301TT
155W Universal Portable Outlet Rechargeable & Uninterruptible Power Supply For ALL CPAP and BiPAP Machines with a FREE Travel Bag - CPAP Store USA
Portable Outlet 155W Battery | CPAP Success 4u
200W Portable Power Station, 40800mAh Solar Generator with 110V AC Outlet/2 DC Ports/3 USB Ports, Backup Battery Pack Power Supply for CPAP Outdoor Advanture Load Trip Camping Emergency. - Walmart.com
Fosmon Wireless Remote Control Outdoor Electrical Outlet Switch Weatherproof Heavy Duty 3-Prong Plug-in ETL Listed (Battery Included), Black - Walmart.com
APC Back-UPS Pro 1350VA 10-Outlet/2-USB Battery Back-Up and Surge Protector - BR1350MS - -
Aquacave Air Pump with Battery Backup - AquaCave.com
Portable Outlet UPS CPAP Battery | SHOPRotech.com, Inc.