2x Pack R-IG7 Battery for Logitech 720, 850, 880, 885, 890 Pro, H880, 900 and Harmony One Universal Remotes Compatible with Logitech Harmony One, 900, 720, 850, 880, 885, 890 Pro, H880 Universal Remote Replacement R-IG7 Battery 950mAh 3.7V Lithium-ion Rechargeable Battery Premium Quality. CE Approved and Safety Assured 1 Year Replacement Warranty