The Marsona® Battery Pack is especially designed for use with Marsona® Sound Conditioners in areas where common electrical current is not available. Simply plug the battery pack cord into the power input jack of a Marsona travel sound conditioner for convenient operation wherever you are.

Independent testing indicates an expected duration of approximately 40 hours of constant use; actual battery life may vary (requires 6 "AA" batteries, not included).

REQUIRES 6 "AA" BATTERIES (not included) - Alkaline or rechargeable batteries recommended. Remove two screws to gain access to battery compartment. Small, Number 1 phillips head screwdriver required (not included).

The battery pack works with the following Marpac sound conditioners: TSC-330, TSC-330-I, MAR-1288 and MAR-1288-I.

• SIZE: 5.00" (L) x 2.10" (W) x .875" (H)
• WEIGHT: Approximately .115 pounds (52 grams) without batteries
• MATERIAL: ABS Plastic CORD: Cord Length = 8 inches (20.32 cm)
• POWER PLUG: 2.5mm x 5.5mm (polarity = center contact positive)
• POWER OUTPUT: 9V DC