Ancel BA101 Plus
A good fit for a garage with motorcycles, mowers and cars, since it tests 6 V and 12 V batteries and keeps a long test history.
Amazon $69.99$69.99
The Ancel BA101 Plus is the better car battery tester overall, rated 3.8 to 3.6. The Ancel BA101 Plus leads on system tests. The Ancel BA101 Plus costs $8 less ($69.99 vs $77.99).
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.
Topdon BT200
A step up from the BT100 for anyone who also works on 24 V trucks or equipment, with a sunlight-readable color screen.
Amazon $77.99$77.99
Which should you buy?
- Choose the Ancel BA101 Plus for system tests (tests the starter, charging system, ripple or diode vs tests the starter, charging system).
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 | Ancel BA101 Plus | Topdon BT200 |
|---|---|---|
| Overall rating | 3.8/5 | 3.6/5 |
| Price 25% | 85 $69.99 | 81 $77.99 |
| Battery coverage 25% | 80 up to 2,000 CCA, 6 V batteries | 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% | 25 color or phone screen, stored results | 25 color or phone screen, stored results |
| Warranty 10% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Ancel BA101 Plus | Topdon BT200 | |
|---|---|---|
| Testing | ||
| Type | Conductance (digital) | Conductance (digital) |
| Battery voltages | 6/12 V | 12/24 V |
| System voltages | 6/12 V | 12/24 V |
| Rating range | 20-2,000 CCA | 100-2,000 CCA |
| Battery types | Flooded, AGM flat plate, AGM spiral, gel, EFB | Flooded, AGM, gel, EFB, deep cycle |
| Lithium batteries | No | - |
| Starter test | Yes | Yes |
| Charging system test | Yes | Yes |
| Ripple or diode test | Yes | - |
| Features | ||
| Display | 2.8 in color LCD | 2.4 in color LCD |
| Stores results | Yes | Yes |
| Build | ||
| Warranty | 1 year | 1 year |