A conductance reading is an estimate, not a load test · review
A three-voltage tester that covers 24 V as well as car batteries, with cranking and charging system tests alongside the battery reading.
The last word Three voltages and three tests for the price of a tank of fuel. The manual is the weak point, not the tool.
A clamp-on tester with a display, covering 6, 12 and 24 V, and offering three separate tests: the battery itself, the cranking event, and the charging system.
A battery reading alone answers half a question. Cranking shows what happens under real load, and charging shows whether the alternator has been putting anything back — which is often why the battery is flat in the first place.
The CCA rating, entered by you from the battery label. It is the reference the tool compares against, and it is the one input that decides whether the verdict means anything.
The maker states voltage ranges, CCA entry range and capacity range. It does not state a measurement accuracy, which is normal at this price and worth knowing.
Listed but with no offer on the American Amazon store — the reference exists there and nobody is currently selling it.
Prices and availability are what Keepa reported on the date this page was updated; both move.
| Voltages | 6 V, 12 V and 24 V, stated |
|---|---|
| CCA entry range | 100–2000 CCA, stated |
| Capacity range | 2–220 Ah, stated |
| Tests | Battery status, cranking test, charging test — stated |
| Operation | Plug and play, stated |
| Manual | German-language manual available on request from the maker, stated |
| Amazon reference | B0BL7S2G2G |
| EAN | 6973610510280 |
Because it estimates state of health by comparing measured conductance against the rating the battery was sold with. Enter a figure that is too low and a tired battery passes; too high and a healthy one fails.
It watches voltage while the engine turns over. A battery that reads well at rest and collapses under cranking load is the classic case a static reading misses.
8.1/ 10
Three voltages and three tests for the price of a tank of fuel. The manual is the weak point, not the tool.
A reference exists on these Amazon stores: France, Germany, Italy, Spain, United Kingdom, United States. Listed is not the same as in stock — availability changes daily.
Details checked on September 4, 2026.
A household with a van or a motorhome as well as a car.
Listed because the attachment names this tool by name.
Specifications: the manufacturer sheet for garage tools and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
12 V starter batteries · LED indicators, no display · color-coded clamps · no settings to enter
The simplest tester on this shelf: colored LEDs rather than a screen, no figures to enter, and a verdict a driver can read without knowing what CCA means.
Best for: A driver who wants a yes-or-no answer before calling anyone.
≈ $9
6/12 V · 100–2000 CCA · flooded, AGM flat plate and more · color LCD · alloy clamps
The tester that names the chemistries it supports and reports internal resistance alongside voltage — the two things that separate a diagnosis from a light.
Best for: Someone who wants the underlying numbers rather than a pass or fail.
12 V · 100–2000 CCA · battery health, cranking and charging tests · real-time waveform · data printing
The one that prints. Real-time waveform display and printed results move this from a driveway check to something you can hand to somebody else.
Best for: Anyone testing batteries for other people, or keeping records across a small fleet.
≈ $36
