The CML series is a sophisticated solar charge controller family for low cost applications. These contollers are suitable for to sealed and vented lead-acid batteries. The electronic circuit is equipped with a microcontroller that provides high- efficiency charging technology together with a number of outstanding status display, warning and safety functions. The battery status is clearly indicated by three LEDs. As the first controller on the market in this price range it comes with an acoustic low voltage load disconnect pre- warning feature.