Kircuit New Global 2-Prong 4V AC / DC Adapter Compatible with Wahl Model 9893 9893L 52005 Clipper Groomsman Lithium Ion Li-ion Rechargeable Trimmer Item 9893-700 9893700 DC4V 1000mA 4W DC4.0V 1.0A 4.0W 4 Volt 4 Volts 4VDC 1A 4.0VDC 1000 mA 4 V 4.0 VDC Class 2 Switching Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU (w/ 2-Pin / 2Prong Connector.) Compatible with: E-TEK Model ZDM040100US-C ZDM040100USC WNT-C1 WNTC1 ETEK Electronics Manufactory Ltd. 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. 100% Brand New, High Quality AC/DC Power Charger Build in Dynamic IC, Charger IC & Power fuse for rapid charging and over charge protection. Kircuit AC adapters are tested and designed to meet the power needs of your device. This adapter converts AC power into the DC power required by your device. This supply allows you to operate your device or charge its battery from electrical power outlets. Kircuit Adapters are a portable power source for when your on the go, at home or office. This adapter has been validated and tested to ensure it will work with your device.