Ni-MH 12V 2000mAh Rechargeable Battery for Soundcast Outcast JR Speaker AA10SXT 611434022058 | eBay
OutCast Jr.
Replacement Speaker Battery for SoundCast Outcast Junior 4064475581736 | eBay
Synergy Digital Speaker Battery, Compatible with Soundcast Outcast JR Speaker, (Ni-MH, 12V, 2000mAh) Ultra High Capacity, Replacement for Soundcast FH2000-14490C10S Battery - Walmart.com