(Ship from UK) FOXWELL BT100 12V Car Battery Tester for Flooded/AGM/GEL

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Product Description

  1. Foxwell BT100 Battery Analyzer is dedicatedly developed to test 12V regular flooded, AGM flat plate, AGM spiral and gel batteries and to check battery health and faults.
  2. We are Authorized Foxwell Dealer. Purchasing from us, you will get 100% genuine Foxwell Device.
  3. provide you best price, high quality items and one year warranty with free technique service

FOXWELL BT100 12V Car Battery Tester for Flooded/AGM/GEL

Foxwell BT100 Description:

The latest BT100 12 Volt Battery Analyzer from Foxwell is dedicatedly developed to test 12V regular flooded, AGM flat plate, AGM spiral and gel batteries as a low cost solution. It provides a quick, easy and affordable solution for technicians to check battery health and faults.

FOXWELL BT100 battery tester
A LCD Display - shows menus, test results and operation tips.
B ESC Button - exits a screen and generally returns to previous screen.
C UP and Down Buttons - scroll to select an option or change the values. UP Button is also used to call up the language setup menu when starting the tester.
D ENTER Button - executes a selected option and generally goes to the next screen.
E Test Cable - Connects the tester to battery for testing.

Top 11 Reasons to get Foxwell BT100:
1. Multilingual menu and test results – English, French, German, Italian, Polish, Portuguese, Russian, Spanish, and Chinese
2. Multiple vehicle applications – passenger cars and light duty trucks
3. Tests batteries rated from 100 to 800CCA
4. Tests multiple battery types - regular flooded, AGM flat plate, AGM spiral and gel
5. Tests multiple rating systems - CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE
6. Tests the batteries on the car directly - no need to remove the battery
7. Detects bad cells
8. Quick and accurate test result display in just 3 seconds
9. Does not emit light, heat or spark, or discharge battery - keeps operation safe for all levels of users
10. Automatic temperature compensation
11. Extremely easy to use with large backlight LCD display and menu-driven operation

BT100 Language Page Picture:

foxwell BT100 Language

How to Change BT100 Language?
Once Connect the Clips on battery, the screen change to Battery tester, then Press on "UP" button as soon as possible and the language page will pop out.

How to Change BT100 Language

Foxwell BT100 12V Car Battery Tester Specification:
Item Range Accuracy
Voltage measuring 6V to 18V 0.50%
Battery type Flooded, AGM, GEL N/A
Battery rating 100 - 800CCA ±(3%+10) CCA
Standard support CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SEA N/A
Operation Temperature 0 to 60°C (-4 to 140°F) N/A
Storage Temperature 0 to 70°C (-4 to 158°F) N/A

Dimensions: 145*94*32MM
Weight: 320g
Dimensions of Packaging: 263*175*45mm
Net Weight/CTN: 18.00KGS
Gross Weight/CTN: 32.5KGS
CTN MEAS: 590*480*566MM
Gross Weight/CTN: 17KGS


Battery Tester Range: from 100 to 1100CCA
No. Standard Description BT100 Test Range
1 CCA Cold Cranking Amps, as specified by SAE. The most common rating for cranking batteries at 0℉(-18℃)  100-1100
2 BCI Battery Council international Standard 100-1100
3 CA Cranking amps standard. The effective starting current value at 0℃(32℉) 100-1100
4 MCA Marine Cranking amps standard. The effective starting current value at 0℃(32℉) 100-1100
5 JIS Japanese Industry Standard, shown on a battery as a combination of numbers and letters 26A17-245H52
6 DIN Deutsche Industrie-Norm 100-1100
7 IEC International Electrotechnical Commission 100-1100
8 EN Europa-Nurom 100-1100
9 SAE Society of Automotive Engineers 100-1100
10 GB China National Standard 100-1100

Detail steps Battery Test showing:

1. Press the ENTER button to start the test. BAT. LOCATION Menu will display.

Detail steps?Battery Test?showing-1

2. Scroll with the UP or DOWN button to highlight OUT OF VEHICLE or IN VEHICLE from BATTERY LOCATION menu and press ENTER to select the battery location.

Detail steps?Battery Test?showing-2

3. Scroll with the UP or DOWN button to select the battery type from BATTERY TYPE menu and press ENTER to confirm.

Detail steps?Battery Test?showing-3

4. Scroll with the UP or DOWN button to select the battery standard from BATTERY STANDARD menu and press ENTER to confirm. Not all rating systems are available for each application.

Detail steps?Battery Test?showing-4

Detail steps?Battery Test?showing-5

5. Use UP or DOWN button to change measure range till you enter the correct range of your battery. Press ENTER to start the test

Detail steps?Battery Test?showing-6

6. View test results on the screen. Depending on battery status, one of the following test results may display.

Detail steps?Battery Test?showing-7

Attention please:
The test keeps the results of the last test only. When you start a new test, the last results are overwritten.

Customer Share BT100 Testing Pictures:

Customer Share BT100?Testing Pictures-1

Customer Share BT100?Testing Pictures-2

Foxwell BT100 Package Including:
1pc x FOXWELL BT100 12V Car Battery Tester
Foxwell BT100 Package Including


Hot Branded Products:


Shipping method and delivery time:

UK Warehouse Shipping: 2-4 working days, Only item title marked " Ship from UK " will ship from UK warehouse. ( UK local address 2-4 working days arrival, other European countries will take about 5-10 working days arrival depend on the place), We will pay the freight ship to each customer, If customer country does not have Shipping service in our UK warehouse or only have UPS service, customer need pay the UPS freight difference or package will ship from Shenzhen, China.
DHL Shipping: 2-4 working days, To help you clearance we will help declare a lower price on the invoice help clearance. If address is remote area, customer need pay remote freight or we will ship by Normal Post or Yanwen Express.
Yanwen Express: 5-10 working days, usually No Tax for European Countries or Remote Area . The tax was pre-paid, when package reached, there's no tax no extra fee for customers.

If you have any questions about the device, the price or the payment, please feel free to contact us.
Contact Person: Elyza
Whatsapp: +86 13983755934
Telephone: +86 13983755934
Wechat: +86 13983755934
Official Email:
Live-Chat: Online service support

Tech Support

Foxwell BT100 12 volt battery analyzer is professional in check ing battery health and faults. Here's describes the correct method to test AGM sealed battery with this device and shows how o use bt100 car test battery.
How To Use BT100 Test AGM Sealed Battery And Get Rated CCA
Foxwell BT100 12 volt battery tester is professional in check ing battery health and faults. This post describes the correct method to test AGM sealed battery with this device.

Foxwell BT100
Problem Description:
My company recently purchased the BT100 battery tester for the field technician. However, due to the vague instrution, we were wondering the correct setting and testing methods for AGM Sealed batteries. Our equipment used anywhere from 35 to 100+ AmpHour batteries, and we are not really sure on the correct testing method. Batteries not rated in CCA or CA.
Solution from engineers:
1. It is same methods as when you testing CCA, just when you choose battery, you select AGM.
2. If do not know Rated CCA, better directly ask the battery manufacture. If really can not get the rate, can use BT100 battery tester to test a new battery to get a CCA data, but this data can only be used for referrence.
How TO Test Your Automotive Battery
It’s important to test your battery and electrical system regularly, not just when it’s starting to show signs of weakness.  Proactively testing it (or making sure your mechanic does) at least once a year will hel reduce your chances of failure.  Refer to your owner’s manual and your battery tester manual for instructions. Review all safety instructions that came with your tester and battery.
Please Kindly Notice: Conventional wet cell car batteries are filled with a mixture of water and sulfuric acid. Wear gloves and handle the battery with care so no liquid spills on your skin or clothing. Battery acid can cause severe burns. If a spill does occur, wash with plenty of water and neutralize the acid by applying baking soda.

Foxwell BT100 12 volt battery tester
Fully charged automotive batteries should measure at 12.6 volts or above. When the engine is running, this measurement should be 13.7 to 14.7 volts. If you don’t have a multimeter to tell you the voltage of your battery, you can do a test of your electrical system by starting the car and turning on the headlights. If they are dim, that indicates the lights are running off the battery and that little or no charge is being produced by the alternator. If the lights get brighter as you rev the engine, it means the alternator is producing some current, but may not be producing enough at idle to keep the battery properly charged. If the lights have normal brightness and don’t change intensity as the engine is revved, your charging system is probably functioning normally. If you’ve been experiencing problems with your battery system and the headlight test checks out okay, you should check whether or not the battery is holding a charge, or if something on the vehicle is discharging it.
There are three likely scenarios that could explain the problems you’re having:
1. A high parasitic draw (“key-off” load). This can quickly discharge a battery and decrease its service life. This may be caused by a trunk light, cigarette lighter, clock/radio, alarm system or any other electrical device. Current drain on the battery can be checked with an ammeter. With the ignition off, disconnect one of the battery cables. Connect one ammeter lead to the battery and the other to the cable. The normal current drain on most vehicles should be about 25 milliamps or less. If the key-off drain exceeds 100 milliamps, there’s an electrical problem that requires further diagnosis. If you don’t want to take your car to a mechanic, the easiest way to isolate the problem is to pull one fuse at a time from the fuse panel until the ammeter reading drops.
2. A problem with your battery is causing it to not hold a charge. To check this, wait 12 to 24 hours after charging to the full voltage, keep the battery out of the vehicle and measure its voltage. Another faster but less preferable way to do this is to turn on the high-beam headlights for 15 seconds, turn them off, wait five to 10 minutes, then check the voltage. If you measure the voltage of the battery the next day, week or even a month later, the voltage should be close to the max voltages listed above. If the voltage holds when not installed in your vehicle, but drops when it is in your vehicle, see 1 above.
3. The battery was somehow discharged, and your maintenance charger can’t properly charge your deeply discharged battery. Please see the directions for charging a deeply discharged battery.
Add: you should know about  battery ratings before you  test or replace  car battery:
Cold Cranking Amps (CCA) This is the most common battery capacity rating. The rating is the number of amps the battery can deliver for 30 seconds at 0 degrees F. while maintaining post voltage of 7.2 Volts. For reliable cold weather starting, most vehicles require 400 to 600 cold cranking amps. Larger displacement engines require more cranking amps. Some batteries are rated up to 1000 CCA, but may sacrifice reserve capacity to achieve high short term outputs.
Cranking Amps (CA) This is a less meaningful rating. It is the same as CCA except it is measured at 32 degrees F. A battery’s CA rating can be converted to CCA by dividing the number by 1.28 (Example: a CA rating of 500 amps becomes 390 CCA).
Reserve Capacity (RC) Think of this as the battery’s staying power. This is the number of minutes the battery will deliver 25 amps and still maintain a post voltage of 10.5 Volts. The higher the reserve capacity rating, the longer the battery will last if the charging system fails.
 Amp Hour Rating (A/H) This rating is not used much any more. It measures low current draw for 20 hours while maintaining a minimum post voltage of 10.5 Volts at 70 degrees F. (Example: a drain of 3 amps for 20 hours = 60 A/H rating).
Battery Installation
When installing a new battery, clean the posts and inspect the battery cables. Also, check the negative battery cable ground connection and the integrity of any engine ground straps. Loose or corroded connections can cause starting and charging problems.
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