Features 1、Practical Use: Enables light control and delay control, adjustable charging and discharging parameters, power off memory, etc. 2、Large Current: Dual USB output enables a maximum current up to 2.5A, supporting quick charging for phone and other electronics. 3、Clear Display: Large LCD screen can clearly display accumulative power generation, discharge power query, temperature and so on. 4、Safer Working: With built in over current, short circuit protection, open circuit protection and reverse connection protection. 5、Smart Design: Adopting industrial grade main control chip and anti backflow circuit, which ensures ultra low heat generation. Specification Item Type: Solar Charge Controller Material: ABS Model: K1688 Colour: Blue USB Output: 2 USB outputs, 5V 2.5A (maximum). Standby Current: <10mA Working Temperature: -35~+60℃ Maximum PV Input Power 10A 20A 30A Rated Voltage(12V or 24V) 130W(12V) 260W(24V) 260W(12V) 520W(24V) 390W(12V) 780W(24V) Package List 1 x Solar Charge Controller 1 x User Manual