UpBright AC/DC Adapter Compatible with Rockville Bass Party 10 BassParty10 Dual 10" 12V 9Ah Rechargeable Battery Karaoke Machine System Portable LED Powered Bluetooth Speaker Power Supply Cord Charger - Rockville Bass Party 10 Power Supply

• World Wide Input Voltage 100-240VAC 50/60Hz OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) Tested Units. In Great Working Condition. UpBright 30 days Refund. 24 Months Exchange. UpBright New Global AC / DC Adapter Compatible with Rockville Model Bass Party 10 BassParty10 BassParty Dual 10" 10 Inch 12V 9Ah DC12V 9000mAh 12 Volt 9 Ah 12 Volts 9000 mAh 12VDC 9.0Ah Rechargeable Battery Pack Karaoke Machine System 2000 Watts peak 400w RMS Portable LED Party Powered Bluetooth PA Speaker Class 2 Switching Power Supply Cord Cable PS Charger Mains PSU ⚠️!!!Tips: Rechargeable batteries don't last forever, the average battery last 1 to 3 years. If the battery is old/dead, it will not accept a charge. But not charger's problem. If you're not sure whether battery or charger is dead or not. You must have a volt meter in order to tell whether or not a charger is working. Compatible with listing item ASIN: B0CFT85NL9 -- Rockville BASS Party 10 Dual 10 inch Portable Battery LED Party Bluetooth Speaker