NOCO GC027 12V 2A Flex Regulator Innovative; Micro-controller for charging 12V lead-acid batteries, including Wet, Gel, MF, EFB and AGM Precision charging; Includes an innovative 12V Flex Regulator for optimal charging for 12V batteries with Recovery Mode; Designed for safety; The safest solar charging solution with reverse polarity, spark-proof, overcharge, over-current and short-circuit protection Power indicator; LED indicator lets you know when the solar panel is generating power Modular Design; Plug-n-play technology with all NOCO Battery Life Solar Panels