UpBright USB-C 5V AC/DC Adapter Compatible with Bose SoundLink Max Model 442368 883848-0100 883848-0200 Li-ion Battery Waterproof Portable Bluetooth Speaker DC5V 3A Power Supply Cord Cable Charger PSU - Bose SoundLink Max 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 5V AC / DC Adapter Compatible with Bose SoundLink Max Model 442368 883848-0100 883848-0200 4600mAh 4.6Ah Lithium Ion Li-ion Rechargeable Battery Pack Waterproof Portable Bluetooth Speaker USB-C USB Type C USBC Charging Port DC5V 3A 5.0V 3000mA 5VDC 5.0VDC 5 V 5.0 VDC 5Volts 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. Compatible with listing item ASIN: B0CVL1K7DX-- NEW Bose SoundLink Max Portable Speaker, Large Waterproof Bluetooth Speaker, Up to 20 Hours of Battery Life, USB-C, Built-in 3.5mm AUX Input, Black