Description Specifications: Battery Type: Li-ion Voltage: 7.4V Capacity:  2330mAh/17wh Condition: Brand New Warranty: 1 Years Warranty Color: Black Replaces the Following Manufacturer Numbers:BOSE 088789, BOSE 088796, BOSE 088772Fits the Following Models:BOSE Mini III II, BOSE Soundlink Mini 2