TOPDON BT100 12V Battery & System Tester

The TOPDON BT100, a 12V battery and system tester reading 100 to 2000 CCA and 30 to 220Ah GB. It handles flooded, AGM, gel, EFB and VRLA batteries across the CCA, CA, BCI, MCA, DIN, IEC, EN, SAE, JIS and GB standards, runs a ripple test on a 2 inch backlit LCD, and speaks six languages with a two year warranty.

Specifications

• Warranty & Updates: 2-Year Warranty
• Testing Range: 100-2000CCA 30-220Ah(GB)
• Testing Voltage: 12V
• Application: Flooded/AGM/Gel/EFB/VRLA
• Battery Standard: CCA/CA/BCI/MCA/DIN/IEC/EN/SAE/JIS/GB
• Ripple Test: Yes
• LCD Display: 2'' Backlit
• Languages: English, Spanish, French, German, Italian, Russian

What you get

• 1pc x BT100 main unit
• 1pc x User Manual
• Get the Whole Picture on Your Battery's Health
• Understand True Starting Power
• One Tester for All Lead-Acid 12V Batteries
• TOPDON BT100 12V Battery & System Tester
• The TOPDON BT100 delivers fast, accurate testing for 12V batteries, cranking systems, and charging systems, all in one compact, cost-effective device. Designed for both pros and DIYers, it combines dealer-level accuracy, versatile functions, and simple operation to make diagnostics easy. From routine battery health checks to troubleshooting failures and dashboard warnings, the BT100 gives users the clarity needed to solve problems quickly and confidently.
• The TOPDON BT100 packs pro-level testing into a portable, straightforward design. With the ability to run battery, cranking, charging, and ripple tests, it delivers more versatility and insight than a basic voltage tester, allowing technicians and DIYers alike to diagnose issues with confidence.
• Get an inside look at your battery's health with clear readings of State of Health (SOH), State of Charge (SOC), and Internal Resistance. Results appear instantly on the display, while three easy-to-read LED lights, GOOD, CHARGE, or BAD, give you a quick visual status at a glance. No guesswork, just clear answers so you can act with confidence.
• The BT100's cranking test measures starting voltage and time, providing clear data on how the battery performs under starting stress. Quickly determine if the battery is delivering reliable power or showing signs of weakness.
• Is it the battery or the alternator? The BT100 makes it clear. Its charging test analyzes ripple, loaded, and unloaded voltage, so you can instantly verify charging system performance and find the solution faster.
• The BT100 tests all 12V lead-acid battery chemistries: regular flooded, AGM flat plate, AGM spiral, GEL, and EFB a 100-2000A test range, it delivers accurate diagnostics across everything from compact cars to full-size trucks, making it a versatile tool for both professional shops and home garages.
• Say goodbye to guesswork. The BT100's 2-inch backlit LCD screen delivers accurate digital results you can easily read in bright daylight, low light, or anywhere in between, so you never have to squint or second-guess again.

Two years of warranty rather than one is unusual at this price, and it is the plain version of the BT100W.

Orders leave the warehouse within one business day. Delivery then takes 7 to 20 days. Orders over $150 ship free.

Not right for you? You have 30 days from delivery, with no restocking fee. See the full returns policy.