This Motobatt charger performs the 9 stages of charging and maintenance algorithm. It is appropriate for workshops or users with more than one motorcycle since it can charge up to 5 batteries per channel, that is, up to a maximum of 10 batteries at the same time. With safe charging timer up to 72 hours. Features: Charges 2 batteries simultaneously. 9-step algorithm. Automatic charging and maintenance. Overcharge Protection. Reverse Polarity Protection. Short Circuit Protection. Spark-proof. Enables ongoing battery maintenance. Prevents battery sulfation. Temperature-compensated. 72-hour safety timer. Specifications: Application: 12V AGM, lead-acid, calcium and gel batteries (NOT compatible with lithium batteries). Input: Auto-switching 120-240VAC 50/60 Hz Output: 12VDC 2A per channel. Max Charge Current: 2A Max Voltage: 14.9V Battery Capacity: 4-100Ah