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 DM130B Multimeter, 4000 Counts, Auto-Ranging, Capacitance Testing

AstroAI DM130B Multimeter, 4000 Counts, Auto-Ranging, Capacitance Testing

Product ID: 215243193

Details

Brand
AstroAI
Color
Red
Item dimensions L x W x H
6.3 x 4.53 x
Power Source
Battery
Style
DM130B

⚡4000 counts precision

🔋Battery testing modes (1.5V/9V/12V)

🛡️Dual fuse & overload protection

₨20866

Duties & taxes included

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Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power Up Your Precision Game with AstroAI DM130B!

BUILT TO ENDURE - Rugged, reliable, and ready for long days in the field or weekend projects—engineered for pros who demand more.
USER CENTRIC DESIGN - Large backlit LCD, data hold, kickstand, and low battery indicator streamline your workflow.
SAFETY WITHOUT COMPROMISE - Non-contact voltage detection and dual ceramic fuses keep you protected on every job.
PRECISION AT YOUR FINGERTIPS - Auto-ranging with 4000 counts for ultra-accurate diagnostics every time.
ALL IN ONE ELECTRICAL INSIGHT - Measures AC/DC voltage, current, resistance, capacitance, plus diode & battery tests—your ultimate troubleshooting sidekick.

The AstroAI DM130B is a versatile, professional-grade digital multimeter featuring 4000 counts auto-ranging accuracy, comprehensive electrical measurements including capacitance and battery testing, and advanced safety with non-contact voltage detection and dual fuse protection. Designed for durability and ease of use, it’s perfect for both field technicians and DIY enthusiasts seeking reliable, precise diagnostics.

Specifications

ASIN	B0842HTN8C
ASIN	B0842HTN8C
Batteries	3 AAA batteries required.
Best Sellers Rank	#11,775 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #19 in Multi Testers
Brand Name	AstroAI
Color	Red
Compatible Devices	all appliances with electrical components
Customer Reviews	4.6 4.6 out of 5 stars (8,374)
Date First Available	July 14, 2020
Included Components	User Manual, Pairs of Test Leads, Pairs of Alligator Clips, Multimeter
Item Dimensions	6.3 x 4.53 x 1.57 inches
Item Highlight	Measures AC/DC Voltage, Current, Resistance, Capacitance, NCV, 1.5V/9V/12V Battery Modes, CAT III 600V
Item model number	ASIDM130B
Manufacturer	AstroAI
Manufacturer	AstroAI
Measurement Type	Multimeter
Minimum Operating Voltage	1.5 volts
Model	ASIDM130B
Number of Items	1
Number of Packs	1
Part Number	ASIDM130B
Power Source	Battery Powered
Product Dimensions	6.3 x 4.53 x 1.57 inches; 9.88 ounces
Specification Met	CE
Style Name	DM130B
UPC	810074980067
Unit Count	1 Count

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