25W USB Electronic Load
NOTE:
This product has no reverse connection protection, the input polarity cannot be reversed, otherwise the product is permanently damaged and cannot be repaired
Information :
1, LD25 user manual download page :http://www.mediafire.com/folder/q2o63jc8df6qc/LD25
2, Youtube video
3, Customer Feedback
B.USB male port (widened power wire，MAX current 4A）
C. Type-C port：MAX current 4A
D. All aluminum fan
E. Intelligent temperature control fan
F. 4 Bit LED tube
G. Precision multiloop adjustable potentiometer
H. “SET” button：press “SET” to switch display status, Press and hold the button to set the load output recovery mode after protection removed.
I. “ON/OFF” button: press the button to open or close output. Press and hold the button to set the boot default status of open or close
Function Introduction:
OVP (over-voltage protection): there is OVP at 25-30V; it will be damaged permanently over 30V.at OVP, LED show OVP, as picture 1 show)
OTP(over-temperature protection): load temperature is over 80℃, the LED show OTP, as picture 2 show.
OPP(over-power protection): the power is over 80℃, the LED show OPP, as picture 3 show.
b. Set output recovery mode after load entering protection status, manual or automatic
c. View the voltage value, current value and power value of the load.
d. Intelligent temperature control fan. When the current is over 2A or the temperature is over 40℃, the fan will start.
e. Precision multiloop adjustable potentiometer: you can adjust the current precisely, upto 0.01A. so you don’t need to adjust a big current mistakenly to damage the power supply. So the power supply will not be damaged due to mistakenly adjustment
f. you can set default boot status freely, open or close.
This product has no reverse connection protection, the input polarity cannot be reversed, otherwise the product is permanently damaged and cannot be repaired
Technical Parameters:
|
Rated operational voltage：DC4-25.0V |
Max discharging power：25W |
|
Rated operational current: 0.25-4.00A (when fan don’t work, the minimum constant current is 0.05A ) |
Fan Speed: Large size intelligent temperature control fan, speed 5800±10%RPM |
|
Constant current resolution:±（1％+3 digits） |
Heat dispatch method.：intelligent temperature control fan + All aluminum fan |
|
Working temperature：-10℃-40℃ |
Adjustable potentiometer ：Precision multiloop adjustable potentiometer |
|
Display mode ：4 bit LED tube |
Expansion port：Micro USB port、Type-C port |
|
Product weight：56.51g |
Product size：83.8x41.1x27.9mm |
1, LD25 user manual download page :http://www.mediafire.com/folder/q2o63jc8df6qc/LD25
2, Youtube video
3, Customer Feedback
Product Structure
B.USB male port (widened power wire，MAX current 4A）
C. Type-C port：MAX current 4A
D. All aluminum fan
E. Intelligent temperature control fan
F. 4 Bit LED tube
G. Precision multiloop adjustable potentiometer
H. “SET” button：press “SET” to switch display status, Press and hold the button to set the load output recovery mode after protection removed.
I. “ON/OFF” button: press the button to open or close output. Press and hold the button to set the boot default status of open or close
Function Introduction:
OVP (over-voltage protection): there is OVP at 25-30V; it will be damaged permanently over 30V.at OVP, LED show OVP, as picture 1 show)
OTP(over-temperature protection): load temperature is over 80℃, the LED show OTP, as picture 2 show.
OPP(over-power protection): the power is over 80℃, the LED show OPP, as picture 3 show.
b. Set output recovery mode after load entering protection status, manual or automatic
c. View the voltage value, current value and power value of the load.
d. Intelligent temperature control fan. When the current is over 2A or the temperature is over 40℃, the fan will start.
e. Precision multiloop adjustable potentiometer: you can adjust the current precisely, upto 0.01A. so you don’t need to adjust a big current mistakenly to damage the power supply. So the power supply will not be damaged due to mistakenly adjustment
f. you can set default boot status freely, open or close.
Operation Instruction
The load is powered at the range of 4-25.0V (the input polarity cannot be reversed, otherwise the product is permanently damaged and cannot be repaired), the LED will be flashing to remind current setting value, waiting for output. Press ON/OFF button, open output to start work.
1. Adjust output current value.
Turning the rotary control clockwise increases the value and anticlockwise decreases the value. According to the needs of the situation, the potentiometer can realize coarse adjustment or fine adjustment. The fine adjustment can be accurate to 0.01A.
2, Adjust LED display status
Press “SET” to adjust the LED display status, default display output current value. Press “SET” button to display *.**A、**.*P、**.*V followed by recycling.
3. Open or close load output
Press “ON/OFF” button, you can open or close load output
4, Set load default boot status (open or close status, Factory default close status)
Package Included:
1. Adjust output current value.
Turning the rotary control clockwise increases the value and anticlockwise decreases the value. According to the needs of the situation, the potentiometer can realize coarse adjustment or fine adjustment. The fine adjustment can be accurate to 0.01A.
2, Adjust LED display status
Press “SET” to adjust the LED display status, default display output current value. Press “SET” button to display *.**A、**.*P、**.*V followed by recycling.
3. Open or close load output
Press “ON/OFF” button, you can open or close load output
4, Set load default boot status (open or close status, Factory default close status)
Press and hold “ON/OFF” button to set load default boot status freely. Press and hold “ON/OFF” button, if the LED will display “--ON”, as picture 4, the load will open output when power on next time; If the LED display”-OFF”, as picture 5 show, the LED will display current value flashing at last shutdown when power on next time, then press “ON/OFF” button to open output.
5, Set the load output recovery mode after protection removed.
Press and hold “SET” button, to set output recovery mode after protection removed. Press and hold “SET” button, if the LED will display “--ON”, as picture 4, and the protection was removed, the load will recover to work; If the LED display”-OFF”, as picture 5 show, and the protection was removed, the LED still show protection status, then press “ON/OFF ‘button, the display will display present setting current flashing, then press “ON/OFF‘ button again, the load recover to work.
5, Set the load output recovery mode after protection removed.
Press and hold “SET” button, to set output recovery mode after protection removed. Press and hold “SET” button, if the LED will display “--ON”, as picture 4, and the protection was removed, the load will recover to work; If the LED display”-OFF”, as picture 5 show, and the protection was removed, the LED still show protection status, then press “ON/OFF ‘button, the display will display present setting current flashing, then press “ON/OFF‘ button again, the load recover to work.
NOTE: Please check the output current of power bank carefully. The current of the general power bank is generally small, so adjust smaller current when the load was used.
Application
Assist to measure Micro USB cable good or not
Assist to measure Type-C cable good or not
Assist to measure output current capacity of charger good or not
The usage of large batch ageing test at the charger factory
Assist to measure Micro USB cable good or not
Assist to measure Type-C cable good or not
Assist to measure output current capacity of charger good or not
The usage of large batch ageing test at the charger factory
Package included:
1x Electronic Load Resistor USB Interface Discharge Battery Test 25W Tester
USB Load Resistor
Brand new and high quality.
It's normal when welding resistance may occur heated white smoke or odor phenomenon.
New products can freely be switched with a switch, very convenient and easy to use.
USB load resistance, is mainly to do discharge test, if the charger or mobile power supply output current is 2A, load meter power is 5V * 2A = 10W, if the output current is 1A, then the power load is 5V * 1A = 5W.
Switch and usb interface design.
Color: Green.
Rated Power: 5W-10W.
Technology: Ceramic Composition.
Resistance: 1A-2A.
Type: Fixed Resistor.
Size: 7.3cm x 1.8cm x 1.0cm.
More about item
usb mobile power load resistor power resistor aging resistance measuring current discharge resistor
Discharge resistors will become hot, the temperature at 80 ~ 85 ℃, please note that anti-scald.
You can easily test mobile power charging treasure, cell phone charger, USB power supply output current is standard, as long as the USB port to the resistance above the line. And can move the power and USB power adapter to do the aging test.
It's normal when welding resistance may occur heated white smoke or odor phenomenon.
New products can freely be switched with a switch, very convenient and easy to use.
USB load resistance, is mainly to do discharge test, if the charger or mobile power supply output current is 2A, load meter power is 5V * 2A = 10W, if the output current is 1A, then the power load is 5V * 1A = 5W.
Switch and usb interface design.
Color: Green.
Rated Power: 5W-10W.
Technology: Ceramic Composition.
Resistance: 1A-2A.
Type: Fixed Resistor.
Size: 7.3cm x 1.8cm x 1.0cm.
More about item
usb mobile power load resistor power resistor aging resistance measuring current discharge resistor
Discharge resistors will become hot, the temperature at 80 ~ 85 ℃, please note that anti-scald.
You can easily test mobile power charging treasure, cell phone charger, USB power supply output current is standard, as long as the USB port to the resistance above the line. And can move the power and USB power adapter to do the aging test.
Package Included:
1 x USB Load Power Resistors Mobile Power Aging Resistance 1A 2A Module
1. We Ship to Worldwide
2. We ship your orders within 1-2 business days after the payment cleared.
3. Item shipped from China via china Post Airmail, reach most of the countries within 2 to 4 weeks.
4. Delivery time depends on destination and other factors, it may takes up to 20 days. If you don't receive
the item after 30 days,please keep in touch with us, we'll investigate and solve the delivery problem.
5. Import duties, taxes, and charges are not included in the item price or shipping cost. These charges
are the buyer's responsibility. Please check with your country's customs office to determine what these
additional costs will be prior to bidding or buying.
2. We ship your orders within 1-2 business days after the payment cleared.
3. Item shipped from China via china Post Airmail, reach most of the countries within 2 to 4 weeks.
4. Delivery time depends on destination and other factors, it may takes up to 20 days. If you don't receive
the item after 30 days,please keep in touch with us, we'll investigate and solve the delivery problem.
5. Import duties, taxes, and charges are not included in the item price or shipping cost. These charges
are the buyer's responsibility. Please check with your country's customs office to determine what these
additional costs will be prior to bidding or buying.
ShenZhen
1. We accept PAYPAL only.
2. Payment must be made within 7 days of auction closing (Unpaid dispute will automatically open when item
is not paid in 7 days).
3. PLEASE NOTE: SHIPPING&HANDING DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES.
4. Please list your special requests (color, packages, value of declaration, etc.) in the EBAY NOTES SECTION
when you make payment
1. Customer satisfaction is our top goal. All products are quality checked. They are new and in good
condition when shipped to our customers. If product is defective or damage upon arrival, or wrong
product shipped, please keep in touch with us immediately. Returns accepted within 14 days of delivery date
and item must be in original new condition, not worn or altered in any way with attached tags & wrap.
Otherwise deal is final. Return shipping must be paid by buyer.
2. Please keep in touch with us first if you have anyproblems/questions/concerns. We will be happy to resolve
any issues you may have in a cordial and friendly manner.
3. We appreciate your Positive Feedback, and will do the same in return. PLEASE DO NOT leave
negative feedback without first communication with us. Please allow max 24 HOURS for us to respond
condition when shipped to our customers. If product is defective or damage upon arrival, or wrong
product shipped, please keep in touch with us immediately. Returns accepted within 14 days of delivery date
and item must be in original new condition, not worn or altered in any way with attached tags & wrap.
Otherwise deal is final. Return shipping must be paid by buyer.
2. Please keep in touch with us first if you have anyproblems/questions/concerns. We will be happy to resolve
any issues you may have in a cordial and friendly manner.
3. We appreciate your Positive Feedback, and will do the same in return. PLEASE DO NOT leave
negative feedback without first communication with us. Please allow max 24 HOURS for us to respond
We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is
very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or
negative feedback, so that we can satisfactorily address your concerns.It is impossible to address
issues if we do not know about them!
