CP-HK06, GSP1029102 01 Battery for Harman Kardon Go + Play, Go Play Mini
3000mAh Battery 7.4V for Harman Kardon Go Play Mini Speaker Li Polymer Lithium Polymer Rechargeable Accumulator Replacement|Digital Batteries| - AliExpress
Price history & Review on 3000mAh Battery 7.4V for Harman Kardon Go Play Mini Speaker Li-Polymer Lithium Polymer Rechargeable Accumulator Replacement | AliExpress Seller - Battery-Factory Store | Alitools.io
Harman-Kardon Go + Play Test - Die Oberklasse in Sachen Sound
Battery Green Cell CP-HK06 GSP1029102 01 for Harman Kardon GO+ Play Mini wireless Bluetooth speaker, 3000mAh Li-Polymer - Green Cell
Harman Kardon Go play 2016 2Akku einbauen., Mobiles Hifi / iPod / MP3 Player / Bluetooth-Lautsprecher - HIFI-FORUM