Features: * new and high quality *Made of high quality material, durable and practical to use *Dual USB port: USB output: 5V/3A max, dual USB supply power to two mobile phones, tablet PCs, and other devices. *Solar battery: Solar charge controller just works with lead-acid batteries: OPEN, AGM, GEL, not for nickel hydride, lithium, or other batteries. *Multiple protection: Build-in short-circuit protection, open-circuit protection, overcurrent protection, overload protection, safety for using. *Widely use: Suitable for home, industrial, commercial, workshop etc. *Easy to install and operate: Clearly indicate the status and data, can be conveniently switched modes and parameter configuration. *LCD display: Large LCD display, easy to read the data. *Function: Help to prolong the battery life cycle and keep the load work well. *Application: Suitable for small solar energy system Specifications: *Voltage: DC 12V/24V *Rated charge current: 30A *Floating charge voltage: 13.7V (adjustable 12.7-15v) *End-off voltage: 10.7V (adjustable 9-11.3v) *Discharge recover voltage: 12.6V (adjustable 11.3-13v) *USB output: 5V/2A *Standby current: