This highly efficient 12/24V all-weather IP67 PWM solar charge controller is the perfect solution for small off-grid solar installs such as on caravans & campervans or for getting power to buildings or areas where mains power is not available such as sheds/outhouses, ponds & much more. Designed to regulate the charging from 12/24V solar panels to charge 12/24V batteries the controller will not only prevent the batteries from overcharging/over discharging but will also prevent any reverse charge from the batteries damaging the solar panels & with its intelligent 3 stage charging will optimize the lifespan of the batteries. Product Features Waterproof design IP67 for safe use outdoors. Use with DIY 12/24V solar panels. Compact & robust design.3-Stage intelligent PWM charging Compatible with Gel, Sealed & Flooded Batteries Weights & Measurements 108.5x 64x 25.6mm Max Input Voltage 50 V Rated charge current 10 A Weight 0.33kg