Features: Experience maximums solar efficiency with this 100W MPPT solar charge controller, featuring 95% conversion rate and automatic voltages adjustment for optimal power harvesting. Design for versatilitys compatibility, it supports 9V-24V solar panel and delivers stable 5V-26V output, ideal for charging electronics and small appliances. Perfect for DIY enthusiasts, outdoor adventurers, and homeowners seek reliable solar energy solution for off grids or backup power systems. Effortlessly integrate into car, cabins, garden lighting, or portable setups, ensuring stable energy flow in diverse environment. builts with a compactly, weather resistant design, this module combines durability and high performances energy management for sustainable power generation. Specifications: Component:Plastic Size:Approx.57.8x36.75mm/2.27x1.44inch Output Current: 5A Scope of application: 1W-100W Applicable to solar panel: 9V-28V Conversion voltages: DC8V-28V to 5V-26V Option Type:1pc,2pcs; Applicable scenario:Home solar systems: Provides stable power for small and medium-sized appliances or lighting equipment in the home. Package Includes: Package A 1pc Solar Controller Board Package B 2pc Solar Controller Board note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.