DEEJ DJ-111 Replacement Rechargeable Battery for Harmony 720 880 890 900 3.7V 950 mAH New Replacement battery for logitech 950 mah 3.7V li-ion rechargeable battery harmony 720 880 890 Blue version, latest and most powerful battery on the market, much better than the white type Works with Logitech harmony 880, 890, 720885 900 Replacement Logitech li-ion battery for harmony one remote 880 890 720 900 This is not original Logitech battery. Replacement battery