High Capacity Extended 1000mAh R-IG7 Battery for Logitech Harmony 720, 850, 880, 885, 890 Pro, H880 & Harmony One Advanced Remotes 190304-2000 NTA2340 Replacement for the following battery part/model numbers: R-IG7, 190304-2000, NTA2340, F12440023, K43D, M36B & M41B. Compatible with the following models: Logitech Harmony 720, 785, 850, 880, 885, 890, 890, 900 & One Advanced Remotes. 3.7V 1000mAh 3.7Wh Lithium-ion Rechargeable Battery Pack. 1 Year Replacement Warranty (When Purchased from MPF Products). MPF Products is a Registered Trademark.