Browse our PWM and MPPT solar charge controllers below that support 12 volt battery systems in off-grid solar applications. Lead acid, lithium, nickel cadmium, and other battery chemistries are supported by Morningstar controllers. Click on a product below to learn more about its specifications, certifications, protections, features, and capabilities. Professional Series controllers have the most robust features and are offered globally. Essential Series controllers are designed for developing countries and are not offered in the US and Canada. Since its inception, Morningstar has been partnering with the finest solar distributors in the world to supply its products.