UpBright AC/DC Adapter Compatible with Rockville Go Party X10 GoPartyX10 GoParty Dual 10" 12V 7.5Ah Rechargeable Battery Karaoke Machine Powered Bluetooth Party Speaker Power Supply Cord Charger PSU - Rockville Go Party X10 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 Go Party X10 GoPartyX10 GoParty Dual 10" 10 Inch 12V 7.5Ah DC12V 7500mAh 12 Volt 7.5 Ah 12 Volts 7500 mAh 12VDC Rechargeable Battery Pack 1000 Watts Peak 200w RMS Karaoke Machine Powered Bluetooth Party 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.