Schumacher Electric 6A Car Battery Charger/50A Engine Starter, Maintainer, 10A Boost, 12V Sport, Auto, and Marine Batteries, SC1361

4-in-1 Device – Battery charger, battery maintainer, engine starter, and desulfator Powerful Battery Charging - Provides 6 amp to 2 amp battery charging and maintaining, 50 cranking amp engine start, and 10 amp boost mode High-Powered Performance – Charge or start car, truck, SUV, motorcycle, power sport, and marine batteries Boost Mode – A 10-Amp boost mode quickly adds charge to deeply discharged batteries Fully Automatic – The Schumacher SC1281 is a fully automatic and microprocessor-controlled battery charger with auto voltage detection, multi-stage charging, and float mode monitoring Multi-stage Charging – The SC1361 employs an advanced charging algorithm to optimize battery charge, health, and longevity Float Mode Monitoring – In float mode, the battery charger and maintainer delivers a trickle of current whenever needed to keep a connected battery fully charged Reverse Hook-up Protection – With reverse hook-up protection, the charger protects against damage if clamps are reversed Compatible Battery Types – The Schumacher SC1361 is compatible with 12V standard and AGM batteries In the Box – Schumacher Electric 4-in-1 12-Volt Fully Automatic 6-Amp Battery Charger and 50-Amp Engine Starter and user manual