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 rates 3.8 among digital testers car battery testers; the Topdon BT300P rates 3.7 among with printer ones. The Ancel BA101 Plus costs $30 less ($69.99 vs $99.99).
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 BT300P
#2 in With printerFull review
The cheapest way to get printed battery results, for a small shop or a mobile mechanic.
Amazon $99.99$99.99
Scores side by side
These two sit in different type classes (digital testers and with printer), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Ancel BA101 Plus | Topdon BT300P |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Price 25% | 85 $69.99 | 70 $99.99 |
| 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 | 40 built-in printer, color or phone screen |
| Warranty 10% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Ancel BA101 Plus | Topdon BT300P | |
|---|---|---|
| Testing | ||
| Type | Conductance (digital) | Conductance (digital) |
| Battery voltages | 6/12 V | 12 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 flat plate, AGM spiral, gel, EFB |
| 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 |
| Built-in printer | - | Yes |
| Stores results | Yes | - |
| Cable length | - | 2.6 ft |
| Build | ||
| Warranty | 1 year | - |