Shop PWM charge controllers for simple, cost-effective solar battery charging. PWM controllers can be a practical fit for smaller solar systems where panel voltage is closely matched to battery voltage. Use this collection for RVs, cabins, battery maintenance, small off-grid systems and basic solar charging projects. Compare controller amperage, battery compatibility, display features and wiring requirements before choosing the right model. Use this collection to compare equipment by size, compatibility, voltage, capacity, output and system fit before building or expanding your power setup.