Authorized Chauvet Dealer! What's In the Box: (1) Freedom Flex Battery Pack Quick Reference Guide Description: Freedom Flex Battery is a premium lithium ion battery pack, for use with any Freedom Flex unit. It’s tool-less design offers quick and easy battery replacement for Freedom Flex fixtures. Features: Chauvet Freedom Flex Lithium-ion Battery Battery Type: Lithium-Ion Battery Capacity: 11 Ah Battery Voltage: 11.1 VDC Quantity of Cells: 15 Rechargeable Watt Hours: 122.1 Wh Lithium Content: 131.6 g Premium lithium ion battery pack, for use with any Freedom Flex unit Tool-less design offers quick and easy battery replacement Product Dimensions: 5.0 x 2.0 x 5.22 inches Product Weight: 2.2 Lbs.