USB DC Electronic Load High Power Discharge Resistance Resistor Adjustable 4 Kind Current
$15
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Features
Support QC2.0(5V/9V/12V/20V), Compatible QC3.0(3.8~12V,+/-2 Step), Android
BC1.2(5V), Apple 5V voltage range and MTK-PE 5V/7V/9V/12V, etc.Fast charging pressure range.
A designed according to the principle of ohm’s law and through the resistor in parallel through a different switch, can produce 15 kinds of resistance of a new USB electronic load resistance discharge, when all the switch opens, is 2.2 ohm/10W, 4.7 ohm/10W, 10 ohm/10W, 20 ohm/10W 4 kinds of resistance in parallel at the same time, in 5V voltage almost can produce 4A discharge current.
The actual current size, please according to ohm’s law:I = U/R
Resistor in parallel calculation formula:R=1/(1/R1+1/R2+…+1/Rn) K1=20Ohm/10W K2=10Ohm/10W K3=4.7Ohm/10W K4=2.2Ohm/10W
Can be convenient to test mobile power charging treasure, mobile phone charger, USB power output current is such as to amount to mark, so long as connect USB above.And can do it for mobile power supply and USB power adapter aging test, aging test discharge resistance will be hot, temperature is controlled under 80~85℃.
Package Included
1 x USB DC Electronic Load
| Weight | 0.03 kg |
|---|
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