Synergy Digital Speaker Battery, Works with JBL GSP1029102 Speaker, (Li-Pol, 3.7V, 6000 mAh) Ultra High Capacity, Compatible with JBL GSP1029102 Battery - Walmart.com
CP-HK06 GSP1029102 01 Battery for Harman/Kardon Go Play Go Play Mini GO+ Play | eBay
Battery for JBL Charge 2+ Charge 2 Plus Replacement GSP1029102 MLP912995-2P 727542447123 | eBay
Charge 2+ GSP1029102R GSP1029102 Battery JBL Charge 2 Plus [GSP1029102 Charge 2 Plus battery]