Portable & lightweight: Smallest 8.7*7.9*2.5in, 4lbs, easily to carry for CPAP power backup outdoors.
SAFETY GUARANTEED: Built-in Samsung battery cell, battery management system (BMS), and more advanced safety operations, ensuring complete protection for you and your devices. BLUETTI K5 CPAP Battery Backup DC Power bank is specially designed for CPAP. Compatible with CPAP: Resmedairsense 10/ Resmedaircurve 10/ Resmed S9/ Philip Respironics Dreamstation/ Philip Respironics REMStar System one 50 and 60 Series/ HDM Z1(12V)/ Transcend Mini CPAP and ResmedAirmini. .