Replacement battery for rescueME MOB1. Specifications: 1600mAh, 6V, Li-MnO2. Compatible with: rescueME MOB1, MOB1 distress beacon, rescueME MOB1 AIS. Replaces: Ocean Signal BBR-901SA-01509, Ocean Signal 901S-01509, Ocean Signal LB9M, RescueME 901S-01509, RescueME BBR-901S-01509. Ocean Signal replacement battery designed for Marine Safety & Flotation Devices devices.