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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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

⚡4000-count precision

🔋Auto data hold & low battery alert

🛡️Dual ceramic fuse safety

$U3969

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Uruguay.

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Description

⚡ AstroAI 130B: Power Your Precision, Protect Your Peace of Mind

READY OUT OF THE BOX - Includes test leads and batteries so you can start troubleshooting immediately—no extra purchases needed.
SAFETY FIRST ALWAYS - Dual ceramic fuses rated for 600V protect you from electrical overloads and hazards.
WORK ANYTIME ANYWHERE - Large backlit display with data hold function ensures flawless testing even in low-light conditions.
VERSATILITY MEETS CONVENIENCE - Perfect for automotive, household, and industrial electrical diagnostics with automatic ranging.
PRECISION THAT POWERS YOUR PROJECTS - 4000-count resolution for ultra-accurate AC/DC voltage, current, and resistance readings.

The AstroAI 130B Digital Multimeter offers professional-grade 4000-count accuracy for AC/DC voltage, current, resistance, continuity, and diode testing. Featuring a large backlit display with data hold, automatic ranging, and dual ceramic fuse protection, it ensures safe, reliable measurements across automotive, household, and industrial applications. Ready to use with included test leads and batteries, this modern, battery-powered tool is a must-have for any serious DIYer or professional technician.

Specifications

ASIN	B0842HTN8C
Best Sellers Rank	#69,883 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #301 in Multi Testers
Brand	AstroAI
Brand Name	AstroAI
Color	red
Colour	red
Compatible Devices	Any electrical device that can be safely tested with a multimeter
Customer Reviews	4.5 out of 5 stars 8,069 Reviews
Item Dimensions	16 x 11.5 x 4 centimeters
Item dimensions L x W x H	16 x 11.5 x 4 centimeters
Manufacturer	AstroAI
Maximum Operating Voltage	600 Volts
Measurement Type	Multimeter
Min. Operating voltage	1.5 Volts
Minimum Operating Voltage	1.5 Volts
Model	ASIDM130B
Number of Items	1
Part Number	ASIDM130B
Power Source	Battery Powered
Power source	Battery Powered
Specification Met	CE
Style	Modern
Style Name	Modern
UPC	810074980067
Unit Count	1 Count

Reviews

E**N

Güvenilir

Orta düzey kullanıcılar için ideal

22.03.2023

T**R

Funktioniert

Absolut top für den Hausgebrauch, sehr benutzerfreundlich, alle wichtigen Funktionen sind gegeben.

18.06.2026

M**.

Completo

Molto versatile, misura corrente in AC e DC a differenza di molti altri sulla stessa fascia di prezzo

5.09.2026

O**R

Great value

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

A**S

Perfecto

Perfecto, oreciso e funcional.

17.02.2026

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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$U3969

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Uruguay.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

View all Trustpilot reviews