Can you test a car battery and alternator with this?

Hi! Yes, this is an excellent multi-meter with which you can do that. A fully-charged auto battery will read between 12.5 and 12.8 VDC. You can check your vehicle's alternator by attaching the multi-meter's black and red leads to the black and red battery posts while the engine is at idle. With no accessories on (radio off, etc) you should read 13.7 to 13.9 VDC. IF the vehicle has an AGM type battery in it, then the voltage reading, no load, should be around 13.5 VDC. You can now check the alternator voltage output with a load on it. Turn on some accessories in the vehicle, like the A/C, the radio and the headlights - the alternator's voltage output shouldn't vary more than a 0.1 of a volt from the no-load reading. If the voltage reading drops significantly, then the voltage regulator inside the alternator has failed. These are simple tests that you can make in your driveway with your multi-meter. If you want more sophisticated testing of your battery or alternator, you'll have to take your vehicle to an auto repair shop.........I hope that this helps you a little.

This multimeter is manufactured in China. We AstroAI as a US brand owner, do sell and ship either from Amazon warehouses directly or from our CA office or warehouse. We are formally authorized to sell on Amazon with official verification.

Does this meter have a tone that sounds when continuity is sensed?

Is does have continuity beeps but you must press the select button to make the meter go into continuity mode with the dial on the ohms/ continuity setting.

Is 10 amp the maximum amount of dc current that can be measured?

Yup … DC Current: 400μA/4000μA/40mA/400mA/10A ±(1.2%+8);

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We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

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Our Other Brands:Hewyn|Selfship

AstroAI 130B Digital Multimeter 4000 Count Professional Polymeter, Voltmeter, Tester, Meter for AC/DC Current, AC/DC Voltage, Resistance, Continuity and Test Diodes

AstroAI 130B Digital Multimeter 4000 Count Professional Polymeter, Voltmeter, Tester, Meter for AC/DC Current, AC/DC Voltage, Resistance, Continuity and Test Diodes

Product ID: 526016703

Details

Brand
AstroAI
Colour
red
Item dimensions L x W x H
16 x 11.5 x 4
Power source
Battery
Style
Modern

⚡Auto-ranging AC/DC voltage & current

📊Large backlit LCD with data hold

🛡️Non-contact voltage detection for safety

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NZ$99

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Description

⚡ Power Your Precision, Protect Your Workflow!

BUILT TO ENDURE - Durable construction with dual ceramic fuses and thermistor protection ensures reliable performance and overload safety.
USER CENTRIC DESIGN - Large backlit LCD, data hold function, and built-in stand streamline your workflow in any lighting condition.
SAFETY FIRST ALWAYS - Non-contact voltage (NCV) detection minimizes risk by identifying live wires without direct contact.
EFFORTLESS TROUBLESHOOTING - From quick DIY fixes to professional diagnostics, this multimeter delivers consistent, dependable readings every time.
PRECISION MEETS VERSATILITY - Accurately measures voltage, current, resistance, capacitance & continuity with 1.5V/9V/12V battery testing modes.

The AstroAI Digital Multimeter is a compact, versatile tool designed for professionals and DIY enthusiasts alike. Featuring auto-ranging AC/DC voltage and current measurement, non-contact voltage detection for enhanced safety, and a large backlit LCD with data hold, it ensures accurate diagnostics across multiple electrical parameters. Its rugged build includes dual ceramic fuses and thermistor protection for overload safety, making it ideal for both fieldwork and garage projects.

Specifications

ASIN	B0842HTN8C
Best Sellers Rank	#87,695 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #426 in Multi Testers
Brand Name	AstroAI
Color	red
Customer Reviews	4.5 4.5 out of 5 stars (7,905)
Item Dimensions	16 x 11.5 x 4 centimeters
Manufacturer	AstroAI
Maximum Operating Voltage	600 Volts
Measurement Type	Multimeter
Minimum Operating Voltage	1.5 Volts
Model	ASIDM130B
Part Number	ASIDM130B
Power Source	Battery Powered
Specification Met	CE
Style Name	Modern
UPC	810074980067
Unit Count	1 Count

Reviews

J**O

Muy completo y practico

4.11.2025

E**N

Orta düzey kullanıcılar için ideal

22.03.2023

O**R

Fully covers my needs and really well built for a very low price. But this is coming from a hobby user so can't say anything for professional use. Would personally say this is a perfect entry level multimeter primarely because it does exactly what it needs to do for a rather small investment. The instructions are sadly entirely in German though but it hardly matters since multimeters all use about the same symbols so a quick google search and you can find perfect English guides that applies to this product.

4.05.2022

G**E

This has turned out to be an excellent tool for my audio restoration efforts. It seems to be quite accurate, easy to use, easy to read and offers nearly all the functions I could want or need. Great value for the money.

15.04.2026

A**N

It uses cheap AA batteries. Other multimeters use more expensive 9V batteries.

26.11.2024

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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