The Renogy Wanderer 10A PWM Solar Charge Controller is an excellent product for those looking to get into solar power. It can also be connected via Bluetooth so that users can control it with their smartphone app. The backlit LCD display makes it easy to see the charge's current status, and the two USB ports allow for charging multiple devices at once. The 10A current output is plenty for most applications. The Controller is compatible with various battery types, including deep cycle sealed (AGM), gel, flooded, and lithium.