How longa are the wires and cables?

The sensor come with 2 meters long cable, factory can customize longer cable.

I just received this and there is no install instructions for automotive car install. Do the black and red leads connect to 12 volts source voltage?

I think there are 2 ways to wire. 1, from a power source 2, from the induced power from hall tranformer. Look at Web sitell it shows schmatic.

Does this version Have ability to reset ah and kwh?

This battery tester/gauge is just a display device. If you remove the monitored voltage/current the meter automatically resets it self. Actually it just turns off and when you reapply the voltage/current it will show the new data for the system you are monitoring. Hope this helps!

will I need two being I’m using a battery isolator for my two batteries for my audio system?

If you are isolating each battery from the other then the I think that the answer is yes. You would need 2 to be able to read each battery independently.

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Battery Monitor DC 300V 100A Voltmeter Ammeter Voltage Amp Meter Gauge with Hall Effect Sensor Transformer

Battery Monitor DC 300V 100A Voltmeter Ammeter Voltage Amp Meter Gauge with Hall Effect Sensor Transformer

Product ID: 84308868

Details

Brand
AILI
Power source
DC
Style
Modern
Item weight
0.14 Kilograms
Min. Operating voltage
5 Volts (DC)

⚡300V voltage range

📊STN full-view LCD display

🔋100A current capacity

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333295Fr

Duties & taxes included

In stock

Sold byAmazon BurundiDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up your battery IQ with precision and style!

SAFETY FIRST - Electrically isolated sensor eliminates risk to your gear and keeps you safe.
SLEEK SELF POWERED - Modern STN LCD screen powered directly from 5-90V DC—no extra batteries needed.
SMART BATTERY INSIGHTS - Track State of Charge, capacity, power, and energy like a pro—your battery’s health at a glance.
EFFORTLESS INSTALLATION - Through-hole design means no wiring headaches—plug & play simplicity.
UNIVERSAL CURRENT MONITORING - Measures positive or negative current with reverse polarity protection—flexible and foolproof.

The AiLi Battery Monitor DC 300V 100A is a cutting-edge voltmeter and ammeter combo featuring a through-hole Hall Effect sensor for safe, non-intrusive current measurement. It supports up to 999Ah battery systems, offers a crystal-clear STN LCD display, and provides real-time data on voltage, current, power, and energy. Designed for easy installation and maximum safety, it’s the ultimate tool for professionals who demand accurate battery performance monitoring.

Specifications

Manufacturer	Elite Element
Part Number	UK-300V100A-FBA
Package Dimensions	10.16 x 7.62 x 5.08 cm; 136 g
Item model number	UK-300V100A-FBA
Size	300V 100A
Style	Modern
Material	ABS
Power Source	DC
Voltage	300 Volts
Amperage Capacity	100 Amps
Certification	CE, EN 61010-1
Batteries included?	No
Batteries Required?	No
Item Weight	136 g

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