Last items in stock Amazon Speaker Battery Li-ion Battery Fits Amazon, Pw3840, Pw3840kl, Tap 3.7v, 2600mah CS-AMP840SL $32.54 As one of the worlds most successful third party battery manufacturers Cameron Sino have been certified and approved by multiple authorities. There products are all verified and tested for safety. 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... Add to cart