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Item #:
220438755
OBD2 Scanner and Battery Tester, 2-in-1 Car Diagnostic Tool, Check Engine Code Reader, 12V Battery Analyzer, Relay Tester, Fuel Injector Tester for
Item #:
220438755
SLL 2087959
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
Order now and get it around Tuesday, July 28
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With intelligent chips enabling precise diagnostics, this car battery tester delivers exceptional accuracy of 99.8%, offering reliable insights into your battery's condition.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Wide Range Testing
This battery load tester accommodates 12V and 24V systems, measuring from 20 to 2000 CCA, making it versatile for various vehicle types and ensuring accurate diagnostics for both batteries and alternators.
User-Friendly Design
Equipped with an easy-to-read display and intuitive operation, the BT300 simplifies battery testing for both professionals and DIY enthusiasts, reducing the chances of errors during vehicle maintenance.
Durable Construction
Built with high-quality materials, the BT300 is designed to withstand the rigors of automotive environments, ensuring longevity and reliable performance, thus providing excellent value for regular or commercial use.
Product Details
| Power Source | Corded Electric |
| Minimum Operating Voltage | 8 Volts |
| Style Name | T400 |
| Color | Black |
| Item Weight | 989 Grams |
| Specification Met | CE, ETL |
| Brand Name | TopDiag |
| Model | T400 |
| UPC | 794969059321 |
| Manufacturer | TopDiag |
| Part Number | T400 |
| Included Components | 1*T400 Battery Tester |
| Brand | TopDiag |
| Style | T400 |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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DIY Mechanics
Ideal for home mechanics who need accurate battery testing without professional tools for regular maintenance.
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Automotive Technicians
Perfect for professionals requiring a reliable load tester to evaluate battery and alternator performance efficiently.
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Vehicle Enthusiasts
Great for car enthusiasts wanting to ensure optimal battery health and longevity for performance vehicles.
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Casual Users
Not suitable for occasional users who may not need detailed battery diagnostic and testing capabilities.
Product Description
OBD2 Scanner and Battery Tester, 2-in-1 Car Diagnostic Tool, Check Engine Code Reader, 12V Battery Analyzer, Relay Tester, Fuel Injector Tester for Heavy Duty Truck, T400
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Does the TOPDIAG T400 work on all vehicle types?
Answer: Yes, it fits 99% of vehicles, including cars, trucks, hybrids, and more. -
Question:
Are there any batteries that it does not support?
Answer: It is not compatible with 6V batteries or lithium batteries. -
Question:
Is the device rechargeable?
Answer: No, it is not rechargeable and must be connected to your vehicle's battery to operate.
TopDiag Battery Testers Editorial Review
The BT300 Battery Tester has garnered a positive reception among customers for its functionality and cost-effectiveness. Many users appreciate its user-friendly design, particularly highlighting its capability to perform a variety of tests on different battery types, including absorbed glass-mat (AGM) batteries. The tester's ability to provide accurate readings and troubleshooting was frequently mentioned, with several reviewers noting how it helped them identify failing batteries before they became problematic. One customer shared their experience using the tester on their RAM truck, revealing how the "Start Engine" feature allowed them to start their vehicle despite a dead battery. This kind of feedback demonstrates the tester’s practicality in real-life scenarios, effectively assisting users in battery diagnostics and decision-making regarding battery replacements. Furthermore, users have praised the compact design of the tester, making it easy to use both in personal settings and workshops. While some users noted that the screen design felt dated and required navigation through directional buttons, this was largely overshadowed by the overall appreciation for its performance and reliability. The tester's effectiveness has prompted users to purchase additional units, underscoring the product's value in diverse situations, such as boating and general automotive use. In summary, customers have experienced the BT300 Battery Tester as a reliable and indispensable tool that performs well in diagnostics and testing, confirming its worth in the market for battery testers. **
Customer Reviews & Ratings
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Pros
- Cost-effective compared to other testers
- User-friendly and straightforward to operate
- Accurate battery diagnostics and testing capabilities
- Compact and portable design
- Helpful features such as "Start Engine"
Cons
- Dated screen design
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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SLL 2087959
Order now and get it around Tuesday, July 28
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Multi-functional tool: Tests battery, relays, and fuel injectors.
- Exceptional accuracy of 99.8% for reliable battery diagnostics.
- Easily reads and clears fault codes from your vehicle.
- Supports 99% of vehicles including cars, trucks, and boats.
- Helps diagnose engine performance issues quickly and effectively.
- User-friendly and designed for both DIY enthusiasts and professionals.
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