Item Type: Battery Charging Control Board Material: PCB Nature of Module: Buck type with maximum power point tracking charging board Input Voltage: 8 to 30V Output Voltage: 4.2 to 28V adjustable, input at least 2V higher than output Current: 6A adaptive adjustment Conversion Efficiency: Typical 92% Input 18V Output 14V Maximum Supported Solar Power: 100WPwM Switching Frequency: 300KHz1High Efficiency: The battery charging control board has a maximum power point tracking of the solar cell, the output current is greater than the solar panel current, real high efficiency MPPT, support 7 to 28V, within 100W solar panel. 2Adjustable Output Voltage: The battery charging control board can be adjusted to any output voltage, ?V automatically (can support single or multi cell lithium batteries or lithium iron phosphate) 3Charge State Double Indication: The battery charge control board trickle charges the deeply discharged battery, the charge state and charge end state double indication, i.e. the red light is on when charging, the blue light is on when full, the red light is flashing and the green light is always on indicating that the battery is not connected. 4Over Voltage Protection: The battery charging control board has a soft start function and over voltage protection on the battery side to effectively prevent the battery from being overcharged. 5Wide Application: This battery charging control board is widely used in solar batteries, new energy batteries, lithium ion batteries, polymer batteries, car batteries, electric car batteries, etc.1 x Battery Charging Control Board