New Global 5V AC / DC Adapter Compatible with Zeelink Model KM-10 KM10 KM-10-B KM10-B KM10B 15000mAh 15Ah Lithium Ion Li-ion Liion Rechargeable Battery Pack 2 Wireless Microphones 150W Portable Speaker Karaoke Machine USB-C USB Type C USBC Charging Port DC5V 2A 2.5A 5.0V 2000mA 2500mA 5VDC 2.5 A 5.0VDC 2500 mA 5 V 5.0 VDC 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: B0CP6VMNDY--- Zeelink Karaoke Machine with Two Wireless Microphones, 150W Powerful Portable Speaker for Party, 24 hour playtime with 15000mAH high-capacity Battery, LED Lights, Supports TWS/REC/AUX/USB/TF Tested Units. In Great Working Condition. Onerbl AC adapters are manufactured with the highest quality materials tested and designed to meet the power needs of your device. This power supply allows you to operate your device or charge its battery from electrical power outlets.This adapter converts AC power into the DC power required by your device. Onerbl adapters are great solution during travel.This adapter has been validated and tested to ensure it will work with your device.