UpBright AC/DC Adapter Compatible with EverStart Ever Start HP300-2 HP3002 400A HP250 300A Jump Starter Maxx Heavy Duty HP450-6 HP4506 600A 300 400 600 Amp 12 Volt 12V Power Supply Battery Charger - EverStart HP300-2 12V 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. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright New Global 13.5V AC / DC Adapter Compatible with EverStart Ever Start Model HP300-2 HP3002 400A 400 AMP HP250 300A 300AMP Starting Power Jump Starter with rechargebale DC power supply 12 Volt Ever Start Advanced 12V Class 2 Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU Compatible with: EverStart Maxx Heavy Duty Jump Starter Model HP450-6 HP4506 Ever Start Max x HeavyDuty JumpStarter with rechargebale DC power supply 12volt Advanced EverStart Maxx Jump Starter 600 AMP 600A Power 22 AMP / HR Ever Start Power Supply !!!Note: 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.