It tests the alternator also correct??

WITH ENGINE OFF READS BATTERY ACCURATELY. WITH ENGINE ON IT SHOWS BOTH BATTERY AND ALTERNATOR CONDITION.

Does it come with batteries included?

It powers up off the battery being tested. No batteries needed.

Why didnt mine come with directions

I don't know why. But just connect to battery, read the voltage, go to the charts which tell % charge as a function of voltage-then you know status of the battery. I purchased a second one, put on long wires so I can see if my alternator is charging as I go down the road. Unbelievably accurate for the cheap price. Strong recommendation Jay

With my engine running I get voltage indicated and lights on the battery side of the unit. No lights on the alternator side. Is the unit defective?

I'm not a mechanic, but all I do is first I check the voltage of the battery without having started the vehicle. Next I start the engine and check the battery voltage while the engine is idling. While the engine is idling I usually show about 13.8 volts on the tester.

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MOTOPOWER MP0514A 12V Digital Car Battery Tester Voltmeter and Charging System Analyzer with LCD Display and LED Indication - Black Rubber Paint

Product ID: 28399712

Details

Brand
MOTOPOWER
Color
Black
Min. Operating Voltage
4
Power Source
Battery
Style
Battery Tester

📊0.01V precise digital LCD readout

🔋12V battery & charging system test

🛡️Reverse & over-voltage protection

฿1589

Duties & taxes included

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Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Diagnose like a pro, avoid roadside regrets!

BUILT FOR SAFETY - Reverse polarity and over-voltage safeguards protect both you and your vehicle.
ERGONOMIC DURABLE - Black rubber paint finish for a secure grip, lightweight and compact for on-the-go pros.
PRECISION YOU CAN TRUST - 4-digit LCD with 0.01V accuracy plus 8 LED indicators for crystal-clear diagnostics.
UNIVERSAL COMPATIBILITY - Works seamlessly with 4-20V DC systems and 12V car batteries—flexible 50cm cable included.
PLUG AND TEST SIMPLICITY - Instant battery & alternator status—no engine start needed.

The MOTOPOWER MP0514A is a compact, user-friendly 12V digital battery tester and charging system analyzer featuring a high-precision 4-digit LCD display and 8 LED indicators. Designed with safety-first reverse polarity and over-voltage protection, it delivers reliable diagnostics for 12V batteries and charging systems with a wide 4-20V range. Its ergonomic black rubber paint finish and lightweight design make it an essential tool for mechanics and DIYers alike, ensuring quick, accurate battery health checks anytime, anywhere.

Specifications

Asin	B01DYE581Y
Best Sellers Rank	#6,480 in Automotive (See Top 100 in Automotive) #8 in Battery Testers
Brand Name	MOTOPOWER
Color	Black
Compatible Devices	Vehicles with 12V batteries
Customer Reviews	4.5 4.5 out of 5 stars (5,451) 4.5 out of 5 stars
Included Components	Battery Tester x 1; Instruction Manual x 1
Manufacturer	MOTOPOWER
Measurement Type	Voltmeter
Minimum Operating Voltage	4 volts_of_direct_current
Model	MP0514A
Number Of Items	1
Part Number	MP0514A
Power Source	Battery Powered
Specification Met	CE
Style Name	Battery Tester
Unit Count	1 Count
Upc	607983879397 711081272124
Warranty Description	1 year manufacturer

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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฿1589

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered 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 Thailand.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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

4 days ago

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