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). New 3-Prong Connector AC / DC Adapter Compatible with Jetson FY0422941500 CD Coming Data CP2915 Lithium ion Li-ion Battery Charger 29.4V 1A - 1.5A +29.4V 29.4 Volt DC29.4V 29.4VDC 1000mA - 1500mA 29.4 V 1.5 A 29.4 VDC Switching Class 2 Power Supply Cord Cable PS Charger Mains PSU (w/ 3-Pin / 3Pin / 3Prong End Connector. Please Check For Compatibility With Your Unit. Thanks.) Compatible with: Jetson Model: FY0422941500 Shenzhen Fuyuandian Power Co. Ltd 29.4V 1.5A I.T.E Power Supply; CD Coming Data Co ming Data Model: CP2915 Lithium Charger 29.4V 1.5A Class 2 Power Supply Compatible with: Model: CH0651-2941500UU Shenzhen ABP Technology Co., Ltd 29.4V 1.5A 44.1W Class 2 Power Supply !!!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. 3-Prong 29.4V AC/DC Adapter Compatible with Jetson FY0422941500 Shenzhen Fuyuandian CD Coming Data CP2915 Lithium ion Li Battery Charger CH0651-2941500UU ABP 29.4VDC 1.5A Class 2 Power Supply