Keep your device running longer, replacing your worn-out cell will give you an extended running time. After charging, is your Sony NW-S639 still not working? If you are looking for replacement batteries made for the Sony NW-S639, We can offer a quality product at a fraction of the price of the original. The replacement batteries for the Sony NW-S639 have been rigorously tested to ensure safety. Don't forget, if your order is over £50, we offer free UK mainland Shipping.
Our battery replacement for Sony NW-S639 has a 3.7 volts rating with a storage capacity of 750 mAh / 2.78 wh watt-hours, the battery uses Li-Polymer technology and measures 51.56 x 34.58 x 3.65mm.
Voltage : 3.7 volts
Our battery replacement for Sony NW-S639 has a 3.7 volts rating with a storage capacity of 750 mAh / 2.78 wh watt-hours, the battery uses Li-Polymer technology and measures 51.56 x 34.58 x 3.65mm.