Product Uses: The C-100 CPAP Battery gives you the freedom to power your CPAP machine no matter where your world takes you! Weighing less than 2 lbs the CPAP Battery comes in a convenient carrying case for ease of travel and it meets requirements for lithium-ion batteries taken in carry-on baggage during air travel. It's the perfect solution for outdoor enthusiasts, those that love to travel both near and abroad and for use as an emergency power backup during power outages. You can also power other small electronic devices that operate from 12V by using the electronic device's DC power cord and the DC input cord included with the C-100 CPAP Battery Kit.