Price: £299.95 - £99.00
(as of Sep 24, 2025 17:13:53 UTC – Details)
From the brand
TOPDON Battery Tester 12V
TOPDON, a combination of two words, “TOP” and “DON”, developed with the concept of conveying passion and ingenuity to take “Dare to Be the TOP” to fruition.
Since day one, we begin with CONVICTION. We are dedicated to offering the high rank of services, products. We continue with INNOVATION. Our continual researching and developing ensures unmatched experience. We are enhanced by PERSISTENCE. Quality honors our roots and maintains high standards
PROFESSIONAL BATTERY TESTER WITH PRINTER: The BT300P is a must-have for any vehicle owner! This 12V & 24V car battery tester provides quick and accurate information about the health of your battery, as well as the charging condition and starter motor’s cranking status. With its newly developed battery testing technology, you can rest assured that your batteries will always be at an optimum level.
WIDER APPLICATION: The BT300P is designed to work on a wide variety of 12V automotive lead-acid batteries, such as regular flooded, AGM flat plate, AGM spiral, Gel, and EFB. It also detects any potential starting or charging system issues in cars, motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, and even lawnmowers.
FAST & ACCURATE TEST RESULTS: With this modern car battery tester, you can identify the exact reason why your battery failed in just three seconds. Its results provide an accuracy of 99.5%.
USER-ORIENTED DESIGN: The 2.4-inch color screen of this battery load tester shows crystal-clear readings at all lighting conditions, and its intuitively placed buttons make it easy to navigate through menus. This user-oriented design creates a smooth experience and provides swift access to test results.
BUILT-IN THERMAL PRINTER: With the built-in thermal printer, you won’t have to worry about running out of ink. No ribbons, cartridges, or other supplies are needed for its use. The only refillable supply you’ll need is standard thermal paper to print your diagnostic receipts. Experience peace of mind with the BT300P’s smart printing capabilities.
Customers say
Customers find the battery tester to be of good quality with good clamps, and appreciate its ease of use, particularly the simple navigation of menus and printing function. They praise its functionality, with one customer noting it can be used for troubleshooting electrical issues, and consider it good value for money. The tester is accurate and quick, with one review mentioning it takes seconds for an accurate result, and customers find it particularly useful for testing car batteries. While the device clearly shows battery health, some customers report issues with their batteries.