Schumacher SC1445 250/50/25/10 Amp Manual Wheel Charger with Engine Start 10/25/50/250A 6/12V Manual Wheel Charger. Schumacher Battery Charger, Engine Starter, Boost Maintainer and Auto Desulfator with Advanced Diagnostic Testing- 100 Amp/30 Amp, 6V/12V The Schumacher SC1281 is a fully automatic battery charger and engine starter designed for use with SUVs, trucks, and large batteries. With 100 Amp engine start and 30 Amp boost mode, this unit delivers results when you need it most. Microprocessor controlled to automatically adjust the amperage rate and diagnose problems, the unit features multi-stage charging for added precision, safety and battery life. Includes auto voltage detection, stop/start button, and reverse hook-up protection with an LED light indicator that prevents the charger from operating if the clamps are reversed. Schu Eco Energy meets the highest industry standards. DOE compliant and compatible with standard, AGM, gel, and deep-cycle batteries. Product 1: 12 ft. Total Reach – 6 ft. power cord and 6 ft. front-mounted output cables Product 1: 135-minute timer – for precision control over the charging process Product 1: Easy to read meter – shows charging levels Product 1: 8-gauge output cables – stay flexible In cold weather Product 2: VERSATILE COMPATIBILITY: Charges compatible battery types, including standard, AGM, gel, and deep-cycle batteries