Synergy Digital Speaker Battery, Compatible with INR18650-2S Speaker Battery (7.4V, Li-ion, 2600mAh)
Specifications: Voltage: 7.4VV Capacity: 2600mAhmAh Composition: Li-ion
Compatible with Monster Speaker(s): Rove 2, INR18650-2S
Compatible with Philips Speaker(s): INR18650-2S, INR18650-2S