Replace your JBL Charge 4 Portable BlueTooth Wireless Waterproof Speaker Battery or Keep an Extra Battery on hand as a backup. This battery replacement kit comes with a long lasting 7800 mAh, Rechargeable Lithium-Ion Battery that provides more play time than your original 7500 mAh battery. Works in your JBL Charge 4 Speaker. Simple, Easy and Inexpensive! You get a New Battery, FREE Tools (necessary for installation), Video Instructions AND You also get a full ONE YEAR Money Back Guarantee exclusively when you purchase our JBL Charge 4 Speaker Battery Replacement Kit. Compatible with Harman JBL Charge 4, JBL Charge4 JBLCHARGE4BLKAM, JBLCHARGE4BLUAM, JBLCHARGE4REDAM, JBLCHARGE4GRYAM, JBLCHARGE4TEALAM, JBLCHARGE4WHTAM, JBLCHARGE4GRNAM, JBLCHARGE4YELAM, JBLCHARGE4PINKAM, JBLCHARGE4SANDAM, JBLCHARGE4BCAMOAM, JBLCHARGE4SQUADAM