UpBright 5V AC/DC Adapter Compatible with Pyle USA PBMSPG148 PBMSPG144 PBMSPG122 Wireless Portable Bluetooth BT Boom Box Boombox Speaker Radio System PyleUSA 5VDC Power Supply Cord Battery Charger PSU - Pyle USA PBMSPG148 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 Micro USB 5V AC / DC Adapter Compatible with Pyle USA PBMSPG148 7.4V 4400mAh 32.56Wh DC7.4V 4.4Ah 7.4 Volt 4400 mAh 7.4 Volts 4.4 Ah 7.4VDC Lithium ion Li-ion Battery Pack 800W 800 Watt Wireless Portable Bluetooth BT Boom Box Boombox Speaker Radio System PyleUSA DC5V 5.0V 5VDC 5.0VDC 5 V 5.0 VDC Class 2 Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU Compatible with: Pyle USA PBMSPG122 3.7V 3600mAh 13.32Wh DC3.7V 3.6Ah 3.7 Volt 3600 mAh 3.7 Volts 3.6 Ah 3.7VDC Lithium ion Li-ion Battery Pack 600W 600 Watt Wireless Portable Bluetooth Boombox Speaker. Pyle USA PBMSPG144 3.7VDC 3.6Ah 13.32 Wh Lithium ion Li-ion Battery Pack 500W 500 Watt Wireless Portable Bluetooth BT Boom Box Boombox Karaoke Speaker Radio System PyleUSA Power Supply. ⚠️!!!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.