Shop / Innova 3721

Innova 3721

3721 Battery Monitor
3721 Battery Monitor
3721 Battery Monitor
$23.52  
  • Free Shipping
  • Hassle-Free Returns
  • 1-Year Warranty

Simple to Use
Easily plugs into your vehicle’s cigarette lighter or power receptacle to monitor battery and charging system voltage.

Coverage for Today’s Vehicles
Designed for 12-volt negative ground systems.

Easy to Read All in One Digital Display
LCD displays measured voltage with a bar graph to indicate battery charge level.

Color Coded LEDs
Quickly identify the battery’s charge status.

Pivoting Head
Angle the screen and head for easier viewing.

P65 WarningWARNING

This product can expose you to chemicals including DinP, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Trusted By 5+ Million DIYers & Mechanics

Find Innova at more than 30,000 stores nationwide

Shop at Retail Stores
Partner BrandsPartner BrandsPartner BrandsPartner BrandsPartner BrandsPartner Brands
Partner BrandsPartner BrandsPartner BrandsPartner BrandsPartner BrandsPartner Brands

You May Also Like

Innova 5610

$349.99

View Product

Innova 5210

$99.99

View Product

Innova 1000

$99.99

View Product

Innova 13-1009

$41.16

View Product

Innova 5512

$299.99

View Product

Innova 3129

$117.64

View Product

Innova 3994

$23.52

View Product

Innova 7111

$599.00

View Product

Innova 5310

$139.99

View Product

Innova 3320

$41.16

View Product

Innova 5510

$249.99

View Product

Innova 5410

$179.99

View Product

Innova 05-0005

$41.16

View Product

Innova 5568a

$141.16

View Product

Innova 3380

$99.99

View Product

Innova 3601

$7.05

View Product

Innova 5110

$65.99

View Product

Innova 3340

$117.64

View Product

Innova 05-6208

$5.87

View Product

Innova 05-0004

$41.16

View Product

Customer Reviews