---
product_id: 88193212
title: "Guest 2740A Guest On-Board Battery Charger 40A / 12V; 4 Bank; 120V Input"
brand: "guest"
price: "3698.37 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/88193212-guest-2740a-guest-on-board-battery-charger-40a-12v-4
store_origin: TN
region: Tunisia
---

# 40A high-power charging IP67 waterproof & shockproof 4 independent battery banks Guest 2740A Guest On-Board Battery Charger 40A / 12V; 4 Bank; 120V Input

**Brand:** guest
**Price:** 3698.37 DT
**Availability:** ✅ In Stock

## Summary

> 🔌 Charge like a pro—power, precision, and protection in one sleek package!

## Quick Answers

- **What is this?** Guest 2740A Guest On-Board Battery Charger 40A / 12V; 4 Bank; 120V Input by guest
- **How much does it cost?** 3698.37 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/88193212-guest-2740a-guest-on-board-battery-charger-40a-12v-4)

## Best For

- guest enthusiasts

## Why This Product

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

## Key Features

- • **Quad-Bank Precision:** Independently monitors and charges 4 separate 12V battery banks for optimized performance.
- • **Built-In Safety Suite:** Advanced protections against reverse polarity, over-current, over-voltage, and ignition ensure worry-free operation.
- • **Marine-Grade Durability:** 100% waterproof (IP67) and shock resistant—perfect for fresh and saltwater environments.
- • **Power-Packed 40 Amp Output:** Rapidly charges multiple batteries with industry-leading 40A current.
- • **Universal Battery Compatibility:** Seamlessly supports all 12V flooded and AGM lead-acid batteries with smart sensing and control.

## Overview

The Guest 2740A is a robust 12V, 40A on-board battery charger featuring 4 independent charging banks, comprehensive safety protections, and marine-grade waterproofing (IP67). Designed for all 12V flooded and AGM lead-acid batteries, it ensures efficient, reliable charging in demanding environments with a 2-year warranty for peace of mind.

## Description

Guest 2740A Guest On-Board Battery Charger 40A / 12V; 4 Bank; 120V Input

## Features

- About this item
- 12V 40 amp 4 bank on-board battery charger     Built-in safety: reverse polarity, over-current, over-voltage, over-temperature and ignition protection. In-line fuses for maximum DC wire protection     100% Waterproof (IP67) and shock resistant for all fresh and saltwater applications     Dedicated battery charging, sensing and control per bank     For all 12 volt flooded and AGM lead acid batteries. 2 year warranty    ›See more product details

## Images

![Guest 2740A Guest On-Board Battery Charger 40A / 12V; 4 Bank; 120V Input - Image 1](https://m.media-amazon.com/images/I/61qg6xsoegS.jpg)
![Guest 2740A Guest On-Board Battery Charger 40A / 12V; 4 Bank; 120V Input - Image 2](https://m.media-amazon.com/images/I/711zXY8ReJL.jpg)

## Available Options

This product comes in different **Style** options.

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**Shop now:** [https://www.desertcart.tn/products/88193212-guest-2740a-guest-on-board-battery-charger-40a-12v-4](https://www.desertcart.tn/products/88193212-guest-2740a-guest-on-board-battery-charger-40a-12v-4)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-24*