Replacement battery fits 33 Spare compatible models. Specifications: 1050mAh, 3.7V, Li-ion. Compatible with: PowerWalker PW-V1, Oregon CT-3650, ContourHD, Contour ContourHD, Contour ContourHD 2035, Contour ContourHD 1080p and 27 more compatible models. Replaces: VholdR C010410K. Spare replacement battery designed for Digital Camera devices. Tested for reliability and long service life.