Tested Units. In Great Working Condition. UpBright 30 days Refund. 24 Months Exchange UpBright New USB A to USB-C USB Type C DC5V 1A 5.0V 1 A 5VDC 1000mA 5.0VDC 1.0A 5 V 5.0 VDC Charging Cable Power Supply Charger Cord Compatible with BolaButty X-Go Model C27-C C27C 10W Lithium ion Li-ion Rechargeable Battery Pack IPX5 Waterproof HD Sound TWS Pairing Portable Wireless Bluetooth Speaker for Home Party Outdoor Beach (USB-C to USB-A Cable) 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: Bluetooth Speaker with HD Sound, Portable Wireless, IPX5 Waterproof, Up to 24H Playtime, TWS Pairing, BT5.3, for Home/Party/Outdoor/Beach, Electronic Gadgets, Birthday Gift (Black) UpBright New USB A to USB-C USB Type C DC5V 1A 5.0V 1 A 5VDC 1000mA 5.0VDC 1.0A 5 V 5.0 VDC Charging Cable Power Supply Charger Cord Compatible with BolaButty X-Go Model C27-C C27C 10W Lithium ion Li-ion Rechargeable Battery Pack IPX5 Waterproof HD Sound TWS Pairing Portable Wireless Bluetooth Speaker for Home Party Outdoor Beach (USB-C to USB-A Cable) CECCCROHS