Description:The PWM solar controller is a versatile solar charge and discharge controller, each parameter can be flexibly adjusted to meet your different application needs. It can be widely used on solar home system, traffic light, solar street light, solar garden light, etc.Features: [Multi-ports] Solar controller with dual USB output & dual DC output and applicable to lead-acid batteries.[Alloy cooling backplane] It can quickly dissipate heat for prevent the circuit from heating due to long-term operation of the device.[Multi-protection]PWM charging method supports overcharge, short circuit protection, Battery undervoltage protection, temperature compensation function, battery reverse protection.[LCD Display]LCD display for dynamic display of operating data and the working conditions of the device.[Automatically]The solar charge controller can set the time control mode and the system voltage can be identified automatically.Specifications:Rated charging current (A): 30 A; 50A; 70 A (optional)Color: Black +; OrangeRated voltage (Va): 12/24 V AutoUSB output: 2.1 A*2DC output: 2 br/> Overcharge current (V): 13.7 V/*2 24 VOver discharge current (V): 10.5-11 V/*2 24V br/>Temperature compensation: -3 mv//cellNo-load load loss: