This battery is used with the Transcend II. It provides backup power when the power is out or inaccessible. It provides 7-9 hours of life to ensure users will have an uninterrupted night of therapy. Small and compact, this battery is ideal to bring on an overnight trip or in a remote area. 

Specifications - Transcend Overnight Battery

Weight: 0.6 pounds

Dimensions: 4.1 in x 3.15 in x 0.9 in

Warranty: 9 months

Compatibility - Transcend Overnight Battery

This battery is for use with the Transcend II.