Sony NP-QM91D Lithium-Ion Battery for DCR-DVD101, 201, 301, SR1 & HDR-HC1 Camcorders Rechargeable lithium-ion battery pack Provides up to 380 minutes of continuous recording time (actual recording time depends on usage patterns) When used with the AC-SQ950D AC/DC Adapter and Battery Charger (sold separately) it charges in about 140 minutes Includes one-touch Power Level display Works with a number of Sony Handycam camcorders and Mavica digital cameras