Speaker Battery for Altec Lansing IM600 inMotion iMT520 IMT620 Classic IMT702 $23.49 $69.99 Speaker Battery for Altec Lansing MCR18650 IM600 iM-600 inMotion iMT520 iMT-520 Compatible with the following devices IM600, iM-600 inMotion, iMT520, iMT-520 inMotion, IMT620, IMT-620 inMotion Classic, IMT702, IMT-702 inMotion Classic Compatible with... Add to Cart