Synergy Digital Speaker Battery, Works with Logitech S715i Speaker, (Ni-MH, 3.6V, 1500 mAh) Ultra High Capacity, Compatible with Logitech 180AAHC3TMX Battery - Walmart.com
Amazon.com: HQRP Battery Works with Logitech Z515 S315i S715i 180AAHC3TMX S-00096 A-00026 S-00116 S00116 984-000181 984000181 Rechargeable Speaker : Electronics
Logitech S715i Portable 30-Pin iPod/iPhone Speaker Dock - HDEtron.com
Amazon.com: HQRP Battery Works with Logitech Z515 S315i S715i 180AAHC3TMX S-00096 A-00026 S-00116 S00116 984-000181 984000181 Rechargeable Speaker : Electronics
Amazon.com: Logitech S715i Portable 30-Pin iPod/iPhone Speaker Dock (Discontinued by Manufacturer) : Electronics