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Returnable until Jan 31, 2025
For the 2024 holiday season, eligible items purchased between November 1 and December 31, 2024 can be returned until January 31, 2025.
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Returns
Returnable until Jan 31, 2025
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60W 9.99A 30V Electronic Load Aging Test Module,Single Mode Constant Current Battery Capacity Tester, Intelligent Fan Control,Overheat

3.9 3.9 out of 5 stars 19 ratings
$26.29
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Purchase options and add-ons

Brand Jectse
Power Source Battery Powered
Style Digital
Color green, silver, Black
Item Weight 183 Grams

About this item

  • Original IR power tube, NMB ball bearing high speed fan, with temperature control stepless variable speed function, with industrial large tooth radiator, can ensure long-term stability.
  • Classic digital tube display, intuitive and , more resistant to high temperature than LCD.
  • Rotary encoder setting, simple and diverse functions.
  • Buzzer sound prompt, high operating experience.Leave factory after power aging test.
  • With all-parameter automatic memory function, very suitable for assembling power adapter automatic aging cabinet.
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Customer reviews

3.9 out of 5 stars
19 global ratings

Top reviews from the United States

Teresa
5.0 out of 5 stars So far very pleased
Reviewed in the United States on January 8, 2023
Verified Purchase
I found some decent instructions for this device on Ebay - nothing came with the device. You need a 12VDC supply - at least 0.5 amp. There are 2 functions - FUN1 and FUN2. FUN2 is to test batteries - will provide amp hours (I've not tested how accurate that is). When the battery voltage drops below what you have the term voltage set for on the load tester it will cease to provide a load to the battery (which is what you want).
4 people found this helpful
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Downeasta
4.0 out of 5 stars Instructions
Reviewed in the United States on September 20, 2021
Verified Purchase
Note that you must press and hold the mode button while powering on to select Fun1 or Fun2. Function 2 is the mode which measures capacity in Ah and Wh. In the select mode you can also enable or disable the audio beep. This was not mentioned in the Amazon ad/description. Now that I know, I have upped my rating.
One person found this helpful
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Amazon Customer
5.0 out of 5 stars Electronic load for battery capacity testing
Reviewed in the United States on April 4, 2021
Verified Purchase
Like most people, I have many tools that use rechargeable batteries. For long battery life, you need to discharge each battery to the low and safe level every three months or so. I have many batteries that are 10 to 15 years old that still have their full capacity. This electronic load allows an easy and safe method to discharge any battery type before you charge them for the next use. I use mode two which will terminate the load when the battery reaches the low threshold.
A great product. Highly recommend
2 people found this helpful
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BK
3.0 out of 5 stars So , works as advertised, but need to read between the lines, or use the partial info given
Reviewed in the United States on May 3, 2023
Verified Purchase
Pros-
-Encoder feels responsive and smooth.
-Does a lot for the money, really in the end can not complain.

But will...
Where the advertising or offering needs to improve...

- Offering...
-Supply mating connectors / pigtails for the white jack on the pcb , and for the DC input.
-Need a strong fan, it gets hot quick at max current.

- Listing..
-60Watts max is the key. So my testing today, was using it as adjustable load bank and it works well for that, but couldn't get more than 4.4A from it, not the 9.99A as advertised. Than it hit me : 60Watts.
60w/13.6v = 4.4A ... as advertised... the 60watts, keep that in mind.

-If you search the description, you'll find the listing on the export sales site... and it has far more detailed description in a far translation.
(Afraid to supply a link and not have my review posted... so)
I'll share what I found...

Cut and paste from that listing :
---------
Multifunction 60W 9.99A 30V Constant Current Electronic Load Aging Battery Power Capacity Tester Module With Dual LED Display

60W 9.99A 30V
Features:
Note: This product is a professional testing equipment , requiring the user must have some basic electronic ( example: Users should understand what is the meaning of the voltage and current capacity Ah , etc.), or you may be unable to properly use the device, possibly mishandled cause unnecessary damage caused by the test device loss !
Power supply requirement : DC12V voltage ( actual voltage 11-14V)
current is not less than 0.5A of power, or the power will be displayed inappropriate Err6.
Note: The default power adapter is not included.
Operating modes: single mode constant current (CC)
Discharge current : 0.20-9.99A stepper 0.1A or0.01A
Discharge current maximum error : 0.7% -0.01A
The maximum capacity test error : 0.5A 2.5%, 2A 1.5%, 5A and above 1.2%
Offline ( termination ) Voltage Range : 1.0-25.0V stepping 1V or 0.1V
Discharge voltage : 1.00-30.00V
The maximum voltage measurement error : 1% + - 0.02V
Maximum power : 60W super power automatically limits the maximum current (for example, up to 60W when it can open 9.99A 6V and 20V maximum at the only open 3.00A)
Highest battery test statistic : 999.9Ah or 9999Wh, achieve value stop testing ( first value to those who stop condition )
Board size : 60W 100mm * 70mm * 57mm ( fan prominent board about 12mm)
Positioning hole locations : 60mm * 88mm diameter 3.2mm 5mm pedestal already installed.
Fan control : intelligent fan control ( according to the radiator fan can be infinitely variable automatic temperature )
Protection: Overheat protection "otP"; transient overpower protection "oPP"; overpressure protection "ouP"; reverse polarity protection; power supply voltage abnormal protection.
Setting Digital Illustration:
II: Electronic Load mode:
1. Turn on the power supply 12V boot into electronic load mode , ensuring in a stopped state ("RUN" does not light, otherwise the press of the start-stop switch to turn off the load ) connected to the power supply under test to the test port input power (P + P - ) , pay attention not to take the wrong polarity !
2. Set current and lower voltage knob , turn the knob to set the value of the current setting position , then press the knob to change the setting digit, digital middle two digits to the right of the indicator and digital indicator VA simultaneously determine the current set position
3. Press the start-stop switch , load began to run , "RUN" lights , power is applied to the circuit under test is set to enter the discharge current , while the upper display the actual input load voltage , when the voltage drops below the set limit voltage " RUN " LED flashes and short beep alarm buzzer accompanied.
4. The test procedure can be modified at any current , and if you need to modify the lower voltage to stop the load can modify .
Note:When in alarm state , can only transfer a small current does not increase !Tester automatic power-down feature to save enough to save the set parameters and run state, when the state again after power transmission will complete before the power failure and restore data.
The battery capacity test mode:
1. The test battery should be fully charged with a special charger !
2. Give the tester is powered into the battery capacity test mode, connect the battery current line to P + P- positive and negative terminals , if you use four-wire clamp test, while the four-wire interface to the positive and negative voltage test fixture is connected to V + V - port.
3. Turn the knob to set the discharge current and discharge voltage ( referring to two specific methods : 2 Description ) , one press after setting the start and stop switch , a battery tester and a first line detection, automatic identification 2-4 line ( 2-wire line identification presentation JS-2,4 identification JS-4, if an error please stop the test and check the wiring ) , then enter the test , if the fault code appears , refer to later explain .
The testing process will round up digital noticeable battery voltage , current , and the current discharge capacity Ah discharge energy Wh, when the discharge end ( battery voltage is below the set voltage ) , the tester displays the data stays in Ah and blink rapidly , with bee shortness buzzer alarm.
5. Press the start and stop at the knob or switch to stop the alarm , you can turn the knob to view the battery discharge data , including discharge capacity Ah, Wh and discharge energy platform voltage V, start-stop button is pressed again, clear the data back to the initial setting interface before testing the next section batteries.
Additional information:
1. Battery test process can adjust the discharge current, if you need to re- adjust the termination voltage, you can pause by pressing the switch at the start and stop the discharge modification ( pause discharge will return to the settings page, this time discharge data is not lost, if necessary, you can long press clears the data until the start-stop switch 0.000Ah).

2. Tester automatic storage can record setting parameters , and record all parameters and status at the end of the test process and test power failure alarm status , re- transmission of all automatically restored.
Fault protection codes and meanings:
Err1: ultra-high capacity test the battery voltage.
Err2: battery voltage is below the set termination voltage is not connected to the battery or the battery is reversed.
Err3: line resistance is too large or the battery can not afford to set the discharge current.
Err4: circuit failure.
Err6: working power is inappropriate , use a standard 12V power supply , and the supply current is not less than 0.5A.
otP: overheating protection.
Ert: temperature sensor failure or the temperature is too low.
ouP: ultra-high voltage electron -load mode.
oPP: under ultra-high power electronic load mode instantly.

Package Include:
1 x Constant Current Electronic Load Discharge 9.99A 60W 30V Battery Capacity Tester
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10 people found this helpful
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David
1.0 out of 5 stars Units not calibrated
Reviewed in the United States on December 5, 2022
Verified Purchase
These units are not calibrated, I bought one and it was out of calibration about 20 mA off. I ordered a replace one, and it was the same, out of calibration about 20 mA as well. Long time ago I bought this same model on Ebay, and the calibration was spot on.
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Learner123
5.0 out of 5 stars A must have for lithium battery testing
Reviewed in the United States on March 11, 2023
Verified Purchase
Great way to automatically discharge test lithium batteries for capacity. Great way to weed out the false capacity claims that most lithium battery sellers make.
Only complaint is it has no case, components are exposed.
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tonythewonderful
5.0 out of 5 stars Great for testing batteries
Reviewed in the United States on January 9, 2023
Verified Purchase
Great device for testing batteries, once you got through the description how to use it.
Comes with NO manual, you have to read it here.
Really easy and intuitive to use, would buy again.
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MASH
3.0 out of 5 stars Broken
Reviewed in the United States on February 16, 2023
Verified Purchase
Item was broken upon receiving 1 wire was not connected and fan did not work over heated easy return
One person found this helpful
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