Features: Maximizes solars energy efficiency with the 200A MPPT solars charging controllers, boosting charging efficiency by 25% and extending battery lifespans by 30% through intelligent current regulation. Builts in overloads, short circuits, and reverse polarity protective ensures safe operations, while its portable designs enables easy installation in under 5 minutes. Ideal for enthusiasts, homeowners, and outdoor adventurers seek solution for campers, cabins, or agricultural setups. Thrives in fluctuatings sunlight conditions, delivering stable solars for camping trip, remote workstations, and emergency backups systems. Accessory with batteries, this plastic case controllers adapt to residential, industrial, and renewables energy applications effortlessly. Specifications: Materials: Plastic Size: 19.5x17.2x6.8cm/7.68x6.77x2.68inch Current: 200A Package Includes: 1pc Solars Charging Controllers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.