The solar controller have fashion and delicate appearance, lightweight, convenient to install and remove. Practical dual USB interface. One-button operate, intelligent outage, figure storage, safe and convenient. Backlight LCD display, full screen display parameters, intuitive and clear data. Safe, quick and efficient, is your very nice life small assistant. Features: Compatible with and 24V systems. voltage/LVD/LVR/Timer setting. 4-stage charge, Boost, ABS, Equalization and Float. Fashion and delicate appearance, lightweight, convenient to install and remove. Backlight LCD display, full screen display parameters, intuitive and clear data. Automatic induction: it will be auto open or close the load when you set the timer to be light and time mode. Equipped with industrial-grade microprocessor, practical dual USB interface, prolong your cell life cycle. Complete electronic protection: dual reverse current, over heat protection, under-voltage discharge protection. Short-circuit protection, open-circuit protection, over-load protection, over-charging protection, outage memory protection. Specifications: Model: 1#: Z10 2#: Z20 3#: Z30 (optional) Color: Black Charge/Discharge Current: 1#: 10A 2#: 20A 3#: 30A (optional) Batt Voltage: /24V Auto Max Solar Input: cell, the highest 23V; 24V cell, the highest 46V Equalization: 14.4V Float Charge: 13.7V (defaul, adjustable) Discharge Stop: 10.7V (defaul, adjustable) Discharge Reconnect: 12. (defaul, adjustable) Charge Reconnect: 13V (defaul, adjustable) Voltage Of Open Light: Solar Panel 8V (Light lights delay) Item Weight: 165g / 5.82ounces Package Weight: 190g / 6.70ounces Item Size: 145 * 75 * 35mm / 5.71 * 2.95 * 1.38in Package Size: 150 * 80 * 40mm / 5.91 * 3.15 * 1.57in Package List: 1 * Solar Controller 1 * Instruction Book In English And Chinese