New USB A to USB-C USB Type C 5V DC 5VDC Charging Cable Power Supply Charger Cord Compatible with Ortizan X30 Ortizan M8 Ortizan-X30 Ortizan-M8 Rechargeable Lithium ion Li-ion Battery Pack IPX7 Waterproof Wireless Portable Bluetooth Speaker (USB-C to USB-A Cable) !!!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: B0CFTT6CZY -- Compatible with Ortizan Portable Bluetooth Speaker, 40W HD Sound and Deep Bass, IPX7 Waterproof, True Wireless Stereo, Bluetooth 5.3, 30H Playtime, LED Lights, Preset EQ, USB Play, for Home, Outdoor, Party, Black Safety Features: Over current protection; Total power protection; Over voltage protection; Short Circuit Protection. Manufactured with the highest quality materials. Certification: FCC, CE and RoHS. Platinum Quality Features: Overload Protection with High Quality Wires, Over-charge/discharge protection, Overheating Protection with Smart Chip, Anti-Interference Feature with better Isolation Materials, Short-circuit protection, Fully compatible with the original adapter, Tested with strict quality control standards Buy with confidence!