KZYEE KS21 Battery Analyzer

KZYEE KS21 Features:
 

KZYEE KS21 Using the conductivity method to measure, the test is accurate, fast and easy to operate, and the display 

is intuitive. This instrument is applied to the CCA, DIN, IEC, EN, JIS# and Others battery test. 

 This instrument tests by low frequency signal,
without an external large load to discharge, the battery will not be damaged.The battery can be tested in car, the instrument itself without batteries,
it will be charged directly by the battery under test, and it s easy to use
 

Precautions for use
 

1. This product is the testing tool for 12V vehicle.

2. If testing in car and the engine is running, please switch off the engine and then turn the key to the OFF 

position.

3. If the battery is in a fully charge state, the voltage will be slightly higher than normal, please turn on the 

headlight 2 to 3 minutes until the voltage drops back to normal before testing.

4. Please do not store or use this product in an area exposed to direct sunlight, or exposed to high 

temperature or high humidity environment, otherwise it may cause deformation or damage to the product.

Instructions for use: 
 

While using this product, please clip the black clamp of the instrument to the cathode of the battery under 

test, and clip the red one to the battery anode. The instrument will automatically  power on , and display 

the function selection menu, there are two functions: “Battery Test” and “Contrast”.Select the 

“Contrast” to adjust the contrast.After setting the contrast, select the “Battery Test” function, there are five 

options in the item selection menu:

 1.Battery test; 

2.Charging test; 

3.Start-up test; 

4.Load test;

5.Exit.Press the “Enter/Exit” and “Scroll” button can select the function that you need to test. 

 

1. Battery test

Select the “Battery Test”, press the “Enter/Exit” key to enter the interface of battery specification selection, 

there are seven selections: CCA（SAE）, IEC, EN, DIN, JIS#, Others,Exit.

Select the desired battery specification and set the battery paramete.After setting the battery parameters, press the “Enter/Exit” key to start analyzing the battery, the 

instrument will display the measurement results after about 4 seconds,the screen will show the battery 

start-up current, voltage, battery resistance, battery life and whether the battery need to be replaced.
 

There are four test results:
 

Lifetime	Test Results	Remar
＞80%	Excellent	The battery is in very excellent condition
>60%	Passable	The battery is passable
>45%	Attention	The battery is OK, but need to pay attention
<45%	Replace	The battery is at the end of its life, suggest to replace

 

2. Charging test
 

Select the “Charging Test” option, press the “Enter/Exit” key to test the charging system of the car. The 

instrument will prompt to start the engine and then press the“Enter/Exit” key again to enter the charging 

test, then read the maximum/ minimum value
 

3. Start-up test

Select the “Start-up test” option, press the “Enter/Exit” key to test the starter.

 

4.Maximum load system test
 

Preparation before testing: If the vehicle is in flameout status, please start the engine.

After starting the engine, please connect the KS21 to the battery, turn on all electrical  systems ( lights, 

air-conditioning, warning system). Increase the engine speed to 2000 RPM for 15 seconds. Select the “Load Test” item, press the “Enter/Exit” Key, it will display the Maximum Load menu. 
 

Package includes:

1pc x  KS21 Battery Analyzer

Contact Information:

Whatsapp: +1 937 888 0032

Live Support: Chat with us online

E-mail: sale@obdtools.net

Skype: jansonsh@hotmail.com

If you have any problem, please do not hesitate to contact us.