AstroAI 12V/24V Car Battery Tester, 100–2000 CCA

AstroAI car battery tester is a corded diagnostic tool for supported 12V and 24V batteries, with a colour LCD and claimed readings for CCA, internal resistance, state of health and state of charge. Its stated compatibility is limited to lead-acid types, so it is not for lithium-ion or 6V and 8V batteries.

At a glance

Claims to measure internal resistance, CCA, state of health and state of charge.
The manufacturer describes a guided interface and a 2.8-inch Full Color LCD screen.
Listed compatibility includes flooded lead-acid, AGM, GEL and EFB batteries.

Price

$31.99Save 20%

Reference price: ~~$39.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Multiple claimed battery-health readings go beyond a simple voltage display.
Customer feedback describes operation and setting battery type and capacity as easy.

Cons

Not compatible with lithium-ion, 6V or 8V batteries, according to the listing.

Technical specifications

9 specifications

Identity
Brand	AstroAI

Display and video
Screen technology listed	LCD

Power and battery
Power configuration	Corded Electric
Minimum operating voltage	12 volts

Battery testing
Voltage compatibility	12V/24V
CCA range	100-2000 CCA
Battery types listed	Flooded Lead Acid Battery(FLA), AGM, GEL, or EFB

Dimensions and installation
Dimensions listed	14 x 6.6 x 3 centimetres

Physical details
Colour	Red

What to know before buying

The listing gives a 12V/24V tester claim but also states a minimum operating voltage of 12 volts. Confirm the intended 24V use before buying, especially if that capability is essential. Battery results and safeguard claims are manufacturer statements, not independently verified here.

What’s in the box

Included

Car battery tester
Battery cleaning brush
User manual

Who is it for?

A good fit for

Owners maintaining supported 12V or 24V lead-acid batteries who want CCA and condition readings.
DIY users who prefer a guided display and settings for different battery types and capacities.

Less suited to

People testing lithium-ion, 6V or 8V batteries.
Buyers who need a battery tester that operates without a corded electrical connection.

AstroAI 12V/24V Car Battery Tester, 100–2000 CCA · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 58 ratings

5 stars68%68%
4 stars18%18%
3 stars10%10%
2 stars0%0%
1 star4%4%

Customer feedback is positive about functionality, ease of use, quality and perceived value. Users are described as finding it straightforward to set battery types and capacities, which may help DIY maintenance. The listing’s claimed CCA and health readings provide context for those uses, but customer impressions do not independently confirm measurement accuracy. Aggregate ratings are mostly in the four- and five-star categories, with some lower ratings, so experiences are not uniform.

Positive themes

Customers describe the tester as easy to use and say setting battery type and capacity is straightforward.
Feedback reports satisfaction with its range of tests and perceived value.

Frequently asked questions

Which batteries does the listing say this tester supports?

It lists flooded lead-acid, AGM, GEL and EFB batteries, and says it is not compatible with lithium-ion, 6V or 8V batteries.

Does it test 24V batteries?

The title and feature text claim 12V/24V use, but the details also specify a minimum operating voltage of 12 volts. Confirm 24V suitability if you need that capability.

What readings does the tester claim to provide?

The listing claims readings for internal resistance, CCA, state of health and state of charge.