On Order Bose Wireless Headset Battery Li-polymer Battery Fits Bose, Qc30, Quietcomfort 30, Quietcontrol 30 3.7v, 180mah CS-BQF30SL $26.63 Our battery should have the same special dimensions and design as the original battery, the fit and finish is checked to be as close as possible to the original model before dispatch. Not sure which battery you need to order?, contact us before placing your order. Usually to be certain we will need the original battery model number . Please be prepared... Add to cart