Compact Solar Charge Controller IS-KONTROLL-XUNZEL-4A-12V for charging 12V Lead Acid (AGM, Gel, Liquid) and Calcium batteries. Reduced dimensions. Protects your batteries against overcharging. Specially designed for SOLARPOWER™ and SOLARPOWER-HD™ Series photovoltaic panels. Photovoltaic solar panel up to 48W (12V). LED charge indicator. Accessible terminals: up to 10mm².