great for motorcycles no more dead batteries get charged up perfect and excellet product have had it plugged in now for 2 weeks and it works great best battery charger on the market absolutely perfect for rvs and such should have gotten this years ago works perfectly for motorcycles and keeping battery fully charged great trickle charger just dont leave it in a hot garage or charge a dead battery get a great charge out of this mazda mx5 miata agm charger wellengineered highquality product an rv musthave i trust it great product forget disconnecting the battery when you are away for extended periods of time