The JVC BN-V428U camcorder battery by Amstron is designed to replace the JVC BN-V428U camcorder battery. • Chemistry: Lithium Ion • Rating: 7.2V 2550mAh • Run Time: Up to 3.5 hrs. • Dimensions (L''xW''xH''): 2.13 x 1.5 x 2.13 • Memory Effect: No • Color: Black/ Dark Grey • Warranty: 4 Year * Warranty covers any manufacture defect. Warranty does not cover damages due to misuse of the battery nor diminishing run time due to normal wear and tear.