Kircuit AC Adapter Compatible for Ryobi Sears Roebuck Craftsman Charger 720217006 7221701 HP40K HP41K Cordless Screwdriver 4V DC Li-Ion Battery Lithium 315.113980 315113980 315-113980 Power Supply

• 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). Tested Units. In Great Working Condition. Kircuit New Global 5V AC / DC Adapter Compatible for Ryobi Sears Roebuck Craftsman Charger 720217006 7221701 HP40K HP41K Cordless Screwdriver 4V 4.0V DC 4 V Li-Ion LiIon 4 Volt Rechargeable Battery Class 2 Transformer 315.113980 315113980 315-113980 4VDC 4.5VDC - 5VDC DC4V 4.5V - DC5V 4.0V 4.5V - 5.0V 4 Volt - 5 Volts Switching Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU Compatible for: Sears Roebuck Craftsman charger no. 720217006 Ryobi Cordless Screwdriver Plug-In Class 2 Transformer Power Supply. Sears Roebuck Craftsman Charger No. 7221701 BriteDriver Device Screwdriver Plug-In Class 2 Transformer. Sears Roebuck Craftsman Model No. 315.113980 315113980 4.0V 4 Volt 4V DC Cordless Screwdriver. Ryobi Part # 7221701 HP40K 4V Screwdriver 4.0V Screw Driver LiIon Plug-in Class 2 Transformer 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.