FOXWELLBT301 12V Car Battery Tester, Automotive Battery Analyzer Load Tester, Digital Cranking Charging System Alternator Checker for Marine Truck Boat Motorcycle, BT100 Upgrade Version
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FOXWELLBT301 12V Car Battery Tester, Automotive Battery Analyzer Load Tester, Digital Cranking Charging System Alternator Checker for Marine Truck Boat Motorcycle, BT100 Upgrade Version

4.5/5
Product ID: 656492743
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Details

  • Brand
    FOXWELL
  • Power Source
    Corded
  • Color
    Orange
  • Min. Operating Voltage
    6 Volts (DC)
  • Specification Met
    [Unknown]
📏6.5ft extended diagnostic cable
📺2.8" vibrant color display
🔋99.9% accurate battery diagnostics

Description

đź”§ Diagnose like a pro, avoid roadside surprises!

  • SEE MORE DO MORE - Upgraded 2.8-inch vibrant color screen ensures crystal-clear visibility and effortless navigation—even in low light.
  • EFFORTLESS DATA RECALL - Automatically stores recent test results so you can track your battery’s performance over time with ease.
  • TEST ANYWHERE ANYTIME - Extra-long 6.5ft cable lets you check your battery from inside or outside the vehicle solo—no assistant needed.
  • PRECISION YOU CAN TRUST - Powered by FOXWELL’s premium chip delivering 99.9% diagnostic accuracy for battery, starter, and alternator health.
  • COMPREHENSIVE BATTERY INSIGHTS - Measures SOH, SOC, CCA, cranking voltage/time, and alternator output for a full-spectrum health check.

The FOXWELL BT301 is a professional-grade 12V car battery tester featuring a large 2.8" color display, ultra-precise diagnostics with 99.9% accuracy, and a 6.5ft cable for flexible testing. It evaluates battery health, starter condition, and alternator performance across multiple battery types (excluding lithium/8V), making it ideal for DIYers and pros alike to prevent unexpected vehicle failures.

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Specifications

BrandFOXWELL
Power SourceCorded Electric
ColorOrange
Min. Operating Voltage6 Volts (DC)
Specification Met[Unknown]
Measurement TypeVoltmeter
ManufacturerFOXWELL
Item Weight1.37 pounds
Package Dimensions8.74 x 6.65 x 3.43 inches
Country of OriginChina
Item model numberBT301
Manufacturer Part NumberBT301

Reviews

4.5

All from verified purchases

R**H

Works well as a battery tester for a reasonable price.

I have an OTC SABRE-HP 3167 since 2004 that still works flawlessly with high accuracy, but it lacks EFB-(Enhanced Flooded Battery) capability so the readings are skewed for that test. So, i recently tried the Topdon BlueTooth version with EFB but found it to cumbersome for a quick results device. That led me to the Foxwell (non blutooth) but 6’ long reach corded (less deviation) device with EFB & bonus of ohms (internal resistance). Found it to operate quickly (IMO) and accurate to 1/2 volt +\- from my OTC. The cranking & charging was also within that range (followed up all readings with my digital meter to confirm both devices were in acceptable range)! I recommend this device as long as you dont need battery backup to recall previous readings. RH-Tx

E**.

Great little capable unit

I work at an auto parts chain store and regularly test customer’s vehicle batteries. The instruments we have cost $400 to $600. The performance of this little unit compares favorably with those expensive units. As I have several vehicles, a motorcycle, a 4 wheeler and a generator, there are a lot of batteries to take into the store to check their health. Testing at home saves a lot of time and hassle. I only buy a new battery when it does not recover performance after giving it a full charge cycle. If you are on the fence, jump off and buy this one. It works very well for me. Oh, and use the low amperage battery maintainers on batteries that sit unused for a few weeks or longer. Keeping those lead acid batteries fully charged gives me 6 to 8 years of service, saving me plenty of money. YMMV

D**.

Good 12-volt battery tester

Pretty good tester, but don't let the advertisement lead you to believe that it will test a 6-volt battery -- it won't. This is only for 12-volt batteries. I didn't give it five stars because the interface has Chinese English, meaning the translations are often horrible and leave you to wonder what it means. For example, "Whether not used after charging?" and you're to answer Yes or No.It needs to be connected to a battery to operate meaning it doesn't have its own power source. It comes with a case, so you don't need to buy one.

A**Y

battery tester

have more features than the last one I had

3**E

Great Device!

Accurate & user friendly. I have several vehicle and boat batteries which makes this device a must-have. It takes the guess work out of the condition and life of my batteries.

J**Z

Battery tester

Its a little confusing to operate for example trying to figure if my alternator is any good I couldnt figure it out

R**D

Well Thought!

Great little tester! Easy to use and accurate!

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Foxwellbt301 12v Car Battery Tester Automotive Battery Analyzer Load Tester | Desertcart OMAN