Two Halcyon 7200 mAH Lithium Ion Replacement Battery for Sony HVR-Z1U 3CCD High Definition Digital Camcorder and Sony NP-F970 Package Includes: 2 Halcyon Brand Battery Battery Specs: 7200 mAh with Premium Japanese Cells Halcyon Support: Includes 5 Year Halcyon Replacement Warranty. Full Membership Access to Halcyon Customer Support Website Frustration Free Packaging. No wasteful and dangerous plastic blister packs. Compatible with all cameras which take Sony NP-F970 Batteries