Logitech NTA2335 Battery (Upgraded) for the MM50 & Pure-Fi Anywher – BBM Battery
Battery for JBL Charge 1 Bluetooth Speaker AEC982999-2P 3.7V 6000mAh CS-JMD200SL - Walmart.com
RYOBI ONE+ 18V Cordless VERSE Clamp Speaker Kit with 1.5 Ah Battery and Charger PCL615K1 - The Home Depot
12V 5AH SLA Battery for ION Block Rocker Speaker - Walmart.com
Mighty Max Battery Replacement for Monster Rockin Roller 4 Speaker Rechargeable Sealed Lead Acid 1290 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
ION Audio Sport XL Portable Speaker Replacement Battery - 100% Compatible