Innova 3721 Battery and Charging System Monitor
Innova 3721 Battery and Charging System Monitor
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Equus

Innova 3721 Battery and Charging System Monitor

93 ratings

Key item features

Equus Innova 3721 Battery and Charging System Monitor:

  • Designed for use with 12V outlet
  • Monitors battery and charging system voltage
  • LCD displays measured voltage with bar graph
  • Color-coded LEDs identify battery's charge status
  • Head pivots for easy viewing

Specs

Vehicle model, 3721Brand, EquusAlternator & battery tester type, Battery and Charging System MonitorVolts, 12 VoltsVehicle fitment type, SpecificFeatures, LCD Display

About this item

Product details

-Buy Equus 3721 Charging Sytem Monitor with an everyday low price and free shipping!.

Equus Innova 3721 Battery and Charging System Monitor:

  • Designed for use with 12V outlet
  • Monitors battery and charging system voltage
  • LCD displays measured voltage with bar graph
  • Color-coded LEDs identify battery's charge status
  • Head pivots for easy viewing
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Vehicle model

3721

Brand

Equus

Alternator & battery tester type

Battery and Charging System Monitor

Volts

12 Volts

Warranty

Warranty information

see manufacturer webpage

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4.6 out of 5 stars
stars
93 ratings77 reviews
How item rating is calculated
  1. 5 stars75% (70)
  2. 4 stars13% (12)
  3. 3 stars4% (4)
  4. 2 stars2% (2)
  5. 1 star5% (5)

Reviews summary

Pros

  • : Easy to understand and navigate the product's features.
  • : Can be used in multiple vehicles.
  • : Offers similar quality at a lower cost.

Neutral

  • : Provides accurate readings at times, but can be inconsistent under varying loads.

Cons

  • : Does not provide constant voltage monitoring, requiring manual checks.
Generated by AI
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Showing 1-3 of 77 reviews

May 4, 2026
Reviewer name: Robert
Sold and shipped byJBTools
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Top notch product

Helpful?5WNV91SDOBS215137663
Dec 19, 2023
Reviewer name: Richard
Sold byJBTools
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Handy battery and alternator check

Handy battery and alternator check that can lead you to further checks and actions.

Helpful?5WNV91SDOBS215137663
Sep 18, 2023
Reviewer name: Steve
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Love the battery movement monitor

Bought the 3721 battery monitor and love the ability of knowing how the battery and alternator are performing while driving the vehicle. I bought a couple of these and gave them out as birthday gifts to both of my sons. They love them too!

Review from Innova
Helpful?5WNV91SDOBS215137663
Current price is $27.32
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31

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Sold and shipped by JBTools
4.432738354375272 out of 5 stars
4.4 stars out of 5, based on 2297 seller reviews(4.4)
Extended holiday returns
Free Holiday returns until Jan 31