CITYORK Rechargeable Battery 7.4V 13500 mAh for JBL Boombox 2 Gen — Compatible with SUN-INTE-213 / SUN-INTE-268

Replacement rechargeable battery engineered for JBL Boombox 2 Gen. Compatible with SUN-INTE-213 and SUN-INTE-268, with a rated voltage of 7.4V and capacity of 13500 mAh. Supports fast charging for continuous use, but to protect the pack avoid overcharging and deep discharge — discontinue charging once the cell reaches 100%. Provides stable voltage and current output to safeguard both the battery and your speaker, helping to prolong the service life of the battery and the appliance.