Manufacturer testing shows that a fully charged battery will power a Transcend CPAP set to 14 cmwp for an estimated 7 to 9 hours. Please note: The actual battery life is dependent on pressure setting, altitude, temperature and breathing habits and leak rates for the individual user.
There is also a Multi-Night Battery available with 8 cells that is estimated to run 14 to 16 ours at a pressure of 14 cmwp when fully charged.
Charge Time Using AC or DC Source with Mobile Power Adapter:
Use the sun to charge the Transcend Battery! With the optional Transcend Portable Solar Charger add the versatility of being able to recharge the battery while on the go – camping or hiking. The Portable Solar Charger also preserves CPAP treatment during extended power outages.
Charge Time using the Transcend Portable Solar Charge in optimal conditions and direct sunlight:
According to the manufacturer the life span of this battery is approximately 300 charging cycles.