DROK Handy DC 3-21V 3.5A USB Adjustable Constant Current Electronic Load Portable 35W Power Aging and Discharging Electric Resistance Resistors for Mobile Power Pack Charger Testing;

Technical Parameters:

Operating voltage: DC3-21V (compatible with Qualcomm QC2.0 A/B protocol)
Constant discharge current: 0-3.5A (continuously adjustable)
Working error: Not exceeding 2%+3mA
Constant discharge power: 35W (Max.)
Intelligent temperature control starting threshold: 55¡æ
Type of intelligent temperature control detector: NTC high sensitivity thermistor
Switching frequency of fan regulator chip DC-DC chip: 1.2MHz
Mode of Dual input interface: USB/ 3.5 pitch screw pressed terminal column
Power supply indicator: SMD blue LED
Rotating Speed of Fan: 4010 big size fan, 2900/minute
Controlling chip: Constant current chip
Regulator potentiometer: Mental long-life potentiometer
Material of knob: CNC computer gongs edge light alloy metal button
Radiator: 27¡Á27¡Á5mm radiation fin
Type of discharge power tube: AOS voltage control low resistance heat resistant field-effect transistor MOS tube

Usage:

1. On the first use, the mental knob of the potentiometer on the USB adjustable constant current electronic load device should turn to the end in counter-clockwise direction.
2. Plug it to a USB current and voltage detector whose one side has plugged to mobile power pack or charger.
3. Slowly adjust the knob in clockwise direction, in order to the reach the detector display the value you need to discharge and aging.

Package Includes:

1 ¡Á USB Adjustable Constant Current Electronic Load