FFS-(100-400W)-UL Ultra-light Waterproof Solar Charge Controller with MPPT & PWM for Outdoor Power Solutions. Designed with an ultra-light structure for easy portability and storage, this solar charge controller features a waterproof construction, heavy-duty hinges, clasps, and a built-in anti-crack film for durability in rough conditions. Equipped with a high-efficiency MPPT & PWM controller and a customizable extension cable, it ensures reliable energy management for various outdoor applications. Ideal for renewable energy systems in remote areas, camping, or emergency power setups.More