UpBright AC/DC Adapter Compatible with Rockville Go Party 6 GoParty6 Dual 6.5" 7.4V 4400mAh Rechargeable Battery Karaoke Machine System Portable LED Party Bluetooth Speaker Power Supply Cord Charger - Rockville Go Party 6 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 6 GoParty6 GoParty Dual 6.5" 6.5 Inch 7.4V 4400mAh DC7.4V 4.4Ah 7.4 Volt 4400 mAh 7.4 Volts 4.4 Ah 7.4VDC Rechargeable Battery Pack 600 Watts Peak 150w RMS Karaoke Machine System Portable LED Party Bluetooth Speaker Class 2 Switching Power Supply Cord Cable PS Wall Home 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.