Looking for Answers about Schumacher DSR ProSeries Heavy-Duty Jump Start - 2200 Amp, For 12V Batteries, Model# PSJ-2212?

The Schumacher 12V DSR Jump Starter is a professional-grade jump starter with two high-output 22Ah AGM batteries, a 3 Amp built-in automatic charger for faster recharges, plus a reverse hookup alarm and 2-function digital. Non-spillable batteries mean it can be stored in any position safely. Includes heavy-duty clamps with copper jaws, a wider base for better stability and a rustproof case. Volts: 12, Amps: 2,200, Amp Charge Rate: 2,200, Works With: 12V batteries, Polarity Reversal Protection: Yes, Internal Battery Type: AGM, Cable Length (in.): 50, Cable Gauge: 4, Clamp Material: Copper, Includes Air Compressor: No, Display Type: LED, LED Indicators: Yes, Outlets (qty.): 1, Built in Inverter: Yes, Handle Included: Yes, Reverse-Polarity Detector: Yes, Dimensions L x W x H (in.): 4 x 14 x 15 1/4 3 Amp built-in automatic charger will not overcharge On/off switch Reverse hookup alarm 2-function digital display indicates internal and vehicle battery voltage and percent of charge Indicates charging systems voltage while engine is running 12V DC power outlet Durable, rust- and corrosion-proof polypropylene case Unique, high-impact protective boot Vented case for added safety Requires extension cord (not included)