The cheapest way to get printed battery results, for a small shop or a mobile mechanic.
Amazon $99.99The Topdon BT300P is the better car battery tester overall, rated 3.7 to 3.5. The Topdon BT300P leads on features or load. The Topdon BT300P costs $20 less ($99.99 vs $119.99).
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.
A printer tester for shops and fleets that work on 24 V batteries and want a dated paper record for each job.
Amazon $119.99Which should you buy?
- Choose the Topdon BT300P for features or load (built-in printer, color or phone screen vs built-in printer).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every with printer car battery tester; a clear win is highlighted. How we rank explains each one.
| Factor weight | Topdon BT300P | Ancel BST600 |
|---|---|---|
| Overall rating | 3.7/5 | 3.5/5 |
| Price 25% | 70 $99.99 | 62 $119.99 |
| Battery coverage 25% | 80 up to 2,000 CCA, 24 V systems | 80 up to 2,000 CCA, 24 V systems |
| System tests 20% | 80 tests the starter, charging system | 80 tests the starter, charging system |
| Features or load 20% | 40 built-in printer, color or phone screen | 25 built-in printer |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Topdon BT300P | Ancel BST600 | |
|---|---|---|
| Testing | ||
| Type | Conductance (digital) | Conductance (digital) |
| Battery voltages | 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 flat plate, AGM spiral, gel, EFB | Flooded, AGM flat plate, AGM spiral, EFB, gel |
| Lithium batteries | - | No |
| Rating standards | - | CCA, BCI, CA, MCA, JIS, IEC, EN, DIN, SAE, GB |
| Starter test | Yes | Yes |
| Charging system test | Yes | Yes |
| Features | ||
| Display | 2.4 in color LCD | - |
| Built-in printer | Yes | Yes |
| Own battery | - | No |
| Cable length | 2.6 ft | - |
