Type: Solar Charge Controller (PWM Technology) Rated Current: 30 Amps System Voltage: 12V / 24V (Auto-detect) Max Solar Panel Voltage: 46V for 24V battery system / 23V for 12V battery system Display: LCD screen for charging status and settings USB Ports: Typically two USB ports for device charging (5V / 2A each) Supported Battery Types: Lead-acid batteries (Open, AGM, GEL) Protection: Overcharge protection Over-discharge protection Usage: Small to medium off-grid solar systems, for small homes, boats, camping, lighting, etc. * * * You can find the purchase link by clicking on our account name here on Haraj and going to (About the Store)