ST-01: 7.4v 2600mAh Battery for SONY SRS-X3 SRS-XB2
$ 22.95
ST-01: 7.4v 2600mAh rechargeable Li-ION Battery for SONY SRS-X3, SRS-XB2, SRS-XB20 Bluetooth speakers. Replaces original battery model #s ST-01, ST-02. Recharges with stock Charger or USB charger.