Synergy Digital Speaker Battery, Compatible with Sony SRS-XB32 Speaker, (Li-ion, 7.4V, 3350mAh) Ultra High Capacity, Replacement for Sony ST-06 Battery
Specifications:
Battery Chemistry: Li-ion
Voltage: 7.4V
Capacity: 3350mAh
Compatible with: Sony ST-06 Battery
Works for: Sony SRS-XB32 Speaker and many more