Specification:
Battery Type: Li-ion;
Voltage: 3.7V;
Max Charging Voltage: 4.2V±0.5V;
Capacity:7800mAh/28.86Wh;
Package Included:1X Battery.
Wide Compatibility:
The Charge4 replacement battery is compatible with JBL Charge 4, Charge 4BLK, Charge 4J, CHARGE4BLUAM,fits Part no 1INR19/66-3,ID998, SUN-INTE-118, IY1068 Bluetooth speaker.
NOTE: NOT FOR CHARGE 4Q.