Cut down on charge cycles by replacing your worn-out rechargeable cell. Is your SONY BT21 running out of juice? Make your device happy again by replacing the battery. You can get replacement batteries for the SONY BT21 at a fraction of the price of an original. The replacement batteries designed for the SONY BT21 have been rigorously tested to ensure safety.
Our battery replacement for SONY BT21 has a 3.7 volts rating with a storage capacity of 350 mAh / 1.29 wh watt-hours, the battery uses Li-Polymer technology and measures 34.88 x 20.10 x 7.00mm.
Voltage : 3.7 volts
Our battery replacement for SONY BT21 has a 3.7 volts rating with a storage capacity of 350 mAh / 1.29 wh watt-hours, the battery uses Li-Polymer technology and measures 34.88 x 20.10 x 7.00mm.
