Check the listing for details. 4 Amp Fully Automatic Microprocessor Controlled Battery Charger/Maintainer NEW!. Condition: New. Listed at 54.91 USD. **This listing is provided by a well established 'Top-Rated' Midwest USA Seller!!!** YOUR SATISFACTION IS 100% GUARANTEED SO BUY WITH CONFIDENCE! Microprocessor technology gives this 12 volt car battery charger the power to charge most 12 volt batteries including deep-cycle, gel and AGM batteries. Fully automatic microprocessor control feature adjusts the amperage rate to charge and maintain batteries quickly and safely with one press of a button. High frequency current pulse can be used to recondition car batteries that are weak, sulfated or deeply drained.- Microprocessor control adjusts current to match battery type and condition- High frequency technology is over 20% more efficient and over 50% lighter than conventional charging systems- Winter mode for specialized battery charging in winter weather conditions- Large easy-to-read LCD display shows full range of readouts including voltage/amperage, charge capacity and includes "bad battery" indicator- Automatically switches to maintenance mode when battery is charged- Heavy duty 7 ft. 14 gauge cables FAST SHIPPING to the lower 48 United States with estimated deliver time of 3-6 days! PERSONAL NOTE: As a well-established long time eBay seller with great positive feedback rating, I can assure you that my customers are my Top Priority! I am a middle aged 'family' man with Lupus and I started and rely on my eBay business as a means to help support our family so I would very much appreciate your business. Blessings to you, Lee.