Synergy Digital Speaker Battery, Compatible with JBL Pulse 5 Speaker, (Li-Ion, 3.7V, 7800mAh) Ultra High Capacity, Replacement for JBL GSP-1S3P-CH4D Battery
Specifications: Battery Chemstry: Li-Ion Voltage: 3.7V Capacity: 7800mAh Compatible with: JBL GSP-1S3P-CH4D Battery Works for: JBL Pulse 5 Speaker and many more