Replacement battery fits 25 Summer compatible models. Specifications: 1000mAh, 4.8V, Ni-MH. Compatible with: Panorama 29270-10, Panorama 029630, Panorama 29580, Panorama 29590, Panorama 29610, Panorama 29620 and 19 more compatible models. Replaces: Summer 29600-10, Summer 29580-10. Summer replacement battery designed for BabyPhone devices. Designed for long-lasting power.