NOCO GENIUS2X4 6V/12V 40A Multi / 4-Channel Smart Battery Charger, Maintainer & Desulfator

Charges up to four 6V or four 12V batteries simultaneously (up to 40 Ah each), provides maintenance regardless of amp rating, and includes a desulfation function. - Can connect and charge four different batteries independently at the same time: four 6V or four 12V batteries, or two 6V and two 12V batteries simultaneously. - Charges and maintains four batteries independently regardless of their amp rating. - Compatible with 6V and 12V battery types including flooded (wet), GEL, MF, AGM, EFB (lead-acid) and Li-ion. - Suitable for use on a wide range of vehicles and equipment: cars, motorcycles, trucks, boats, tractors, lawn mowers, ATVs, SUVs, caravans, classic cars, and more. - Desulfator feature for recovering sulfated/oxidized plates and restoring weak cells. - Can charge batteries discharged below 1.0 V; for batteries at 0 V, a FORCE mode allows disabling automatic safety to enable manual charging. - Up to 2× faster charging compared with standard chargers. - Smaller and more powerful than previous GENIUS2X4 GEN4 model: approximately 40% smaller and 140% more power. - Repairs damaged batteries, renews battery cells, dissolves sulfation/oxidation on plates, and prevents energy loss. - Integrated artificial intelligence analyzes battery condition and automatically selects optimal charge settings based on battery type, capacity and state of discharge. - AI continuously monitors battery condition to manage charging and minimize energy consumption. - 9-stage charging and maintenance algorithm for professional charging performance. - Automatic charge stages include: 1. Analysis, 2. Diagnosis, 3. Repair, 4. Initialization