Schumacher Probooster Batteryless Jumpstarters DSR109 800 CCA Only $315.19 EA. This sale runs until Jan 31, 2018. FOR GASOLINE & DIESEL ENGINES - No battery inside - 100% maintenance-free - Microprocessor controlled - 10,000 cycle/10-year lifespan - Built-in voltmeter - Override Mode to start engine without any battery mounted - Glow Mode for cold start of diesel engine https://goo.gl/rXDWbk #Schumacher #Probooster #Batteryless #Jumpstarters #DSR109 #SchumacherJumpstarters #AADiscountAuto