The ME Series Inverter / Charger from Magnum Energy is a modified sine wave inverter designed specifically for rugged mobile applications. The ME Series is powerful, easy-to-use, and best of all, cost effective. Easy-to-install: Install the ME Series in four easy steps: simply connect the inverter’s output to your distribution circuits or electrical panel, connect your shore power cable (AC) to the inverter’s easy-to-reach terminal block, connect the batteries, and switch on the power.