- Waterproof and reliable: This controller delivers strong waterproof performance, making it suitable for use in bad weather. Note: extend its service life by not soaking it in water. - Easy connection and flexible expansion: Features a standard SAE port for hassle-free connection or disconnection. The package includes two additional 130 mm SAE extension cables to expand or adjust your solar energy setup with ease. - Safe and intelligent charging: Built-in protection and intelligent 3-stage charging (equalize, float, boost) maximize solar energy use while providing full battery protection. - Why you need it: Enables efficient solar charging with battery protection in outdoor or harsh environments, while offering easy installation and future expansion through SAE connections and extension cables. - Use scenarios: - Off-grid cabin, shed, or farm buildings: keep a battery bank charged for essential lights and small devices, regardless of weather. - RV or camper installations: quick connect/disconnect to solar panels with extension cables that adapt to different setups and distances. - Boat or outdoor workspace: reliable charging and protection in outdoor environments where weather exposure is a consideration.