HQRP 3.6V Battery for Mitsubishi MelServo MR-J3 MR-J3-A MR-J3-A4 MR-J3-B MR-J3-B4 MR-J3-T MR-J3-T4 160224 ER6V-C119B ER6VC11-9B ER6VC119B MR-J3-BAT MR-J3-BAT MR-J3BAT MRJ3BAT + HQRP Coaster HQRP&reg; Lithium Battery Replacement plus HQRP&reg; Coaster; Battery Voltage: 3.6V; Capacity: 2400 mAh; Lithium; 200 Days warranty!