The Transcend P4 Overnight Battery is the 4-cell portable battery option for Transcend.
At about the size of a deck of cards, it provides power for a minimum of one full night of CPAP therapy before needing recharging. This small, lightweight battery-operated CPAP system is perfect for use where wall power is unavailable or as backup power during storms and brown outs.
Features:
- Smallest, lightest and most portable CPAP battery in the world
- Provides power for a minimum of 7-9 hours of therapy at pressure of 14 cmH2O before requiring recharging
- Rechargeable with AC power supply or DC mobile power adaptor
- Power for CPAP therapy when wall power is not available
- Provides uninterrupted therapy when used in-line with AC power supply during power outages
- Can be worn on the arm or chest with the battery pouch and band accessories
Manufacturer: Somnetics
Specifications:
- Proprietary Design: 14.4 VDC, 4S1P Li-ion
- Recharge Time: <5 hours with completely depleted cells
- Charge Indicator: LED
- Dimensions: 4.1 in x 3.15 in x .9 in
- Weight: .6 lbs
- Operational Time: 7-9 hours @14 cmH2O
- Operating Range: 32-113 degrees F, 10% - 95% relative humidity, non-condensing
- Storage Range: -4 - 140 degrees F, 10% - 95% relative humidity, non-condensing
- Warranty: 9 months
- Operating Pressure Range: The P4 Overnight Battery is recommended for use in a pressure range of 4-14 cmH2O.

