All features work in the onboard microprocessor, which communicates on to your battery. The MP00205A starts with high amperage to find the battery charged up fast, after which slows down automatically to a decreased amperage because it reaches ability. I'm a major enthusiast of tech -- I've been producing about https://edgarcwkmc.wikiexpression.com/4100947/not_known_facts_about_solar_car_charger_uk