---
product_id: 148042614
title: "3721 Battery and Charging System Monitor"
brand: "innova"
price: "S$38"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/148042614-3721-battery-and-charging-system-monitor
store_origin: SG
region: Singapore
---

# Adjustable pivoting head for perfect view Intuitive LCD bar graph display Real-time voltage monitoring 3721 Battery and Charging System Monitor

**Brand:** innova
**Price:** S$38
**Availability:** ✅ In Stock

## Summary

> 🔌 Stay powered, stay ahead — never get caught off-guard!

## Quick Answers

- **What is this?** 3721 Battery and Charging System Monitor by innova
- **How much does it cost?** S$38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/148042614-3721-battery-and-charging-system-monitor)

## Best For

- innova enthusiasts

## Why This Product

- Trusted innova brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Display:** Clear LCD bar graph quantifies battery charge level with professional accuracy.
- • **User-Centric Design:** Pivoting head ensures optimal viewing angle, making monitoring effortless on the go.
- • **Visual Charge Clarity:** Color-coded LEDs provide an at-a-glance status update—never second guess your battery health again.
- • **Instant Battery Insight:** Plug-and-play design delivers real-time voltage data via your vehicle’s power outlet.
- • **Engineered for Reliability:** Specifically built for 12-volt negative ground systems to protect your vehicle’s electronics.

## Overview

The Innova 3721 Battery and Charging System Monitor is a compact, plug-in device designed for 12-volt negative ground vehicles. It provides instant, easy-to-read voltage and battery charge status via an LCD bar graph and color-coded LEDs. Its pivoting head enhances usability, making it an essential tool for proactive vehicle maintenance and electronic protection.

## Description

Innova3721 Battery and Charging System Monitor

## Features

- Easily plugs into vehicle’s cigarette lighter or power receptacle to monitor battery and charging system voltage
- Designed for 12-volt negative ground systems
- LCD displays measured voltage with a bar graph to indicate battery charge level
- Color-coded LEDs quickly identify battery’s charge status
- Head pivots for easy viewing and angle adjustment

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Innova |
| Part Number | 3721 |
| Product Dimensions | 25.4 x 2.54 x 16.51 cm; 90.72 g |
| Item model number | 3721 |
| Colour | Limited Edition |
| Style | 12-volt |
| Power Source | Corded Electric |
| Voltage | 12 Volts |
| Item Package Quantity | 1 |
| Included Components | BATTERY & CHRG SYSTEM MONITOR |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 90.7 g |

## Product Details

- **Brand:** Innova
- **Power source:** Corded Electric
- **Style:** 12-volt
- **Colour:** Limited Edition
- **Item weight:** 0.2 Pounds

## Images

![3721 Battery and Charging System Monitor - Image 1](https://m.media-amazon.com/images/I/71M5TQTAY8L.jpg)

## Frequently Bought Together

- Innova 3721 Battery and Charging System Monitor
- 12V Plug in Car Battery and Charging System Tester, Test Battery Condition & Alternator Charging (LCD Display Car Battery Monitor)
- NOCO GENIUS1, 1A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries

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**Shop now:** [https://www.desertcart.sg/products/148042614-3721-battery-and-charging-system-monitor](https://www.desertcart.sg/products/148042614-3721-battery-and-charging-system-monitor)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-17*