A full-size carbon-pile tester for shops and fleets that load-test heavy-duty and 24 V batteries.
Amazon $284.84The Clore Solar 1876 1000 Amp rates 3.8 among load testers car battery testers; the Topdon BT300P rates 3.7 among with printer ones. The Topdon BT300P costs $184.85 less ($99.99 vs $284.84).
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.

The cheapest way to get printed battery results, for a small shop or a mobile mechanic.
Amazon $99.99Scores side by side
These two sit in different type classes (load 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 | Clore Solar 1876 1000 Amp | Topdon BT300P |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Price 25% | 24 $284.84 | 70 $99.99 |
| 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% | 80 tests the starter, charging system | 80 tests the starter, charging system |
| Features or load 20% | 100 1,000 A load | 40 built-in printer, color or phone screen |
| Warranty 10% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Clore Solar 1876 1000 Amp | Topdon BT300P | |
|---|---|---|
| Testing | ||
| Type | Carbon pile | Conductance (digital) |
| Battery voltages | 6/12/24 V | 12 V |
| System voltages | 6/12/24 V | 12/24 V |
| Rating range | up to 2,000 CCA | 100-2,000 CCA |
| Load current | 1,000 A | - |
| Battery types | - | Flooded, AGM flat plate, AGM spiral, gel, EFB |
| Starter test | Yes | Yes |
| Charging system test | Yes | Yes |
| Features | ||
| Display | Analog | 2.4 in color LCD |
| Built-in printer | - | Yes |
| Cable length | 4.7 ft | 2.6 ft |
| Build | ||
| Warranty | 1 year | - |