A good add-on for a shop that already uses Autel wireless scan tools, or anyone who wants test reports on a phone.
Amazon $175The Autel MaxiBAS BT506 is the better car battery tester overall, rated 3.8 to 3.6. The Autel MaxiBAS BT506 leads on battery coverage, system tests and features or load. The Topdon BT200 wins on price. The Topdon BT200 costs $97.01 less ($77.99 vs $175).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A step up from the BT100 for anyone who also works on 24 V trucks or equipment, with a sunlight-readable color screen.
Amazon $77.99Which should you buy?
- Choose the Autel MaxiBAS BT506 for battery coverage (up to 2,000 CCA, 6 V batteries, 24 V systems vs up to 2,000 CCA, 24 V systems), system tests (tests the starter, charging system, ripple or diode vs tests the starter, charging system) and features or load (color or phone screen, app or QR report, stored results vs color or phone screen, stored results).
- Choose the Topdon BT200 for price ($77.99 vs $175).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every digital testers car battery tester; a clear win is highlighted. How we rank explains each one.
| Factor weight | Autel MaxiBAS BT506 | Topdon BT200 |
|---|---|---|
| Overall rating | 3.8/5 | 3.6/5 |
| Price 25% | 46 $175 | 81 $77.99 |
| Battery coverage 25% | 100 up to 2,000 CCA, 6 V batteries, 24 V systems | 80 up to 2,000 CCA, 24 V systems |
| System tests 20% | 100 tests the starter, charging system, ripple or diode | 80 tests the starter, charging system |
| Features or load 20% | 40 color or phone screen, app or QR report, stored results | 25 color or phone screen, stored results |
| Warranty 10% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Autel MaxiBAS BT506 | Topdon BT200 | |
|---|---|---|
| Testing | ||
| Type | Conductance (digital) | Conductance (digital) |
| Battery voltages | 6/12 V | 12/24 V |
| System voltages | 12/24 V | 12/24 V |
| Rating range | 100-2,000 CCA | 100-2,000 CCA |
| Battery types | Flooded, AGM, AGM spiral, EFB, gel | Flooded, AGM, gel, EFB, deep cycle |
| Rating standards | CCA, SAE, CA, EN, IEC, DIN, JIS, MCA | - |
| Starter test | Yes | Yes |
| Charging system test | Yes | Yes |
| Ripple or diode test | Yes | - |
| Features | ||
| Display | Phone app | 2.4 in color LCD |
| App or QR report | Yes | - |
| Stores results | Yes | Yes |
| Build | ||
| Warranty | 1 year | 1 year |
