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) UpBright New Global 22V AC / DC Adapter Compatible with Skullcandy Model 2SKSK1849 2SKSK1849B0W2 2SKSK1849I0L2 2SKSK1849B0L2 Skdy Barrel 11.1V 4400mAh DC11.1V 4.4Ah 11.1 Volt 4400 mAh 11.1 Volts 4.4 Ah 11.1VDC Lithium ion Li-ion Battery Pack 60W Skull candy Bluetooth Boombox IPX5 Water-Resistant Wireless Portable XT Party Boom Box Speaker Lifeworks Technology Inc Compatible with: Skullcandy Skdy Barrel XT Bluetooth Boombox Party Speaker Model 2SKSK1849 2SKSK1849B0W2 2SKSK1849I0L2 2SKSK1849B0L2 25K5K1849 25K5K1849B0W2 25K5K1849I0L2 25KSK1849B0L2 Power Supply Compatible with: Model RY72A220320M2 SKU 2SKAC1890B0W2 25KAC1890B0W2 Shenzhen Rui Yu Technology Co., Ltd DC22V 3.2A 70.4W 22.0V 3.20A 22VDC 3200mA 22.0VDC 22 V 22.0 VDC Class 2 Switching Power Supply Cord Cable PS Charger Mains PSU Note: Rechargeable batteries don't last forever, the average battery last 1 to 3 years. If the battery is old/bad, it will not accept a charge. But not charger's problem Compatible with listing item: Skullcandy Barrel Bluetooth Boombox Speaker – Water-Resistant Wireless Portable Speaker, with LED Lightshow Mode, 12 Hour Battery, Multi-Link, & USB-C & USB-A Output Charging Tested Units. In Great Working Condition. UpBright 30 days Refund. 24 Months Exchange UpBright New Global 22V AC / DC Adapter Compatible with Skullcandy Model 2SKSK1849 2SKSK1849B0W2 2SKSK1849I0L2 2SKSK1849B0L2 Skdy Barrel 11.1V 4400mAh DC11.1V 4.4Ah 11.1 Volt 4400 mAh 11.1 Volts 4.4 Ah 11.1VDC Lithium ion Li-ion Battery Pack 60W Skull candy Bluetooth Boombox IPX5 Water-Resistant Wireless Portable XT Party Boom Box Speaker Lifeworks Technology Inc. DC22V 3.2A 70.4W 22.0V 3.20A 22VDC 3200mA 22.0VDC 22 V 22.0 VDC Class 2 Switching Power Supply Cord Cable PS Charger Mains PSU CECCCROHS 100-240