---
product_id: 672154680
title: "Smart 3 Bank Marine Battery Charger 10X3, 30A (10A/Bank) 12V,Waterproof,lifepo4 Lithium Boat Battery Charger Maintainer and Desulfator for AGM, Lithium,Deep-Cycle Batteries Boat Accessories"
brand: "zrfmib"
price: "16257698₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/672154680-smart-3-bank-marine-battery-charger-10x3-30a-10a-bank
store_origin: VN
region: Vietnam
---

# 9-stage smart charging IP68 waterproof rating 30A total, 10A per bank Smart 3 Bank Marine Battery Charger 10X3, 30A (10A/Bank) 12V,Waterproof,lifepo4 Lithium Boat Battery Charger Maintainer and Desulfator for AGM, Lithium,Deep-Cycle Batteries Boat Accessories

**Brand:** zrfmib
**Price:** 16257698₫
**Availability:** ✅ In Stock

## Summary

> ⚓ Charge smarter, sail farther — never get stranded again!

## Quick Answers

- **What is this?** Smart 3 Bank Marine Battery Charger 10X3, 30A (10A/Bank) 12V,Waterproof,lifepo4 Lithium Boat Battery Charger Maintainer and Desulfator for AGM, Lithium,Deep-Cycle Batteries Boat Accessories by zrfmib
- **How much does it cost?** 16257698₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/672154680-smart-3-bank-marine-battery-charger-10x3-30a-10a-bank)

## Best For

- zrfmib enthusiasts

## Why This Product

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

## Key Features

- • **Revive & Thrive:** Auto repair mode breathes new life into dead or weak batteries, extending their lifespan effortlessly.
- • **Smart Safety Shield:** Advanced diagnostics detect over-voltage, reverse polarity, and temperature issues to protect your investment.
- • **Weatherproof Warrior:** IP68-rated waterproof design built to survive underwater and harsh marine environments.
- • **Triple Power Precision:** Charge 3 batteries simultaneously with independent mode selection for AGM, Lithium, or Calcium types.
- • **Real-Time Power Insight:** 5-grid LED display keeps you in control with clear battery status updates from 20% to 100%.

## Overview

The Smart 3 Bank Marine Battery Charger delivers 30A total output (10A per bank) with waterproof IP68 protection, supporting AGM, Lithium, and Calcium 12V batteries. Featuring 9-stage smart charging, temperature compensation, and advanced diagnostics, it ensures fast, safe, and precise charging while extending battery life with auto repair mode. Designed for marine use, it charges three batteries simultaneously and provides real-time status via a 5-grid LED display, backed by a 3-year warranty.

## Description

Smart 3 Bank Marine Battery Charger 10X3, 30A (10A/Bank) 12V,Waterproof,lifepo4 Lithium Boat Battery Charger Maintainer and Desulfator for AGM, Lithium,Deep-Cycle Batteries Boat Accessories

## Features

- 【3 Bank Marine Battery Charger】12V 30A (10A/Bank) waterproof Onboard Boat Charger, which can automatically switch from full charging mode to float charging mode. Works with 12 volt batteries including marine, boat, starter, and deep-cycle batteries.ensuring a fast, safe and precise charge
- 【3 Charging Modes】: 12V SLA/AGM, 12V LITHIUM, 12V CALCIUM. 3 batteries can charge at the same time. Each battery can independently select the suitable mode via press "MODE".
- 【Save Your Dead Batteries】: Onboard marine battery charger charge dead batteries. When battery is lower than 1V, you can manually begin charging: Only press and hold the “MODE“ button for 5s.
- 【Accurate Charging】The charger has 9-stage charging and automatic temperature compensation，which can automatically detect the ambient temperature and adjust the charging frequency to prevent insufficient charging in overheated or cold weather and protect your battery.ensuring a fast, safe and precise charge
- 【Advanced Diagnostics】 Built-in smart diagnostics that detect and alert you to issues such as:①Over-voltage, ②Faulty battery, ③Over-temperature, ④Reverse polarity. This helps you quickly identify problems and ensure safe use.
- 【Auto Repair Mode】: You don't need to operate.“12V Repair”light is on, automatically start repair. Improving performance and extending battery life. Keep your batteries in optimal condition.
- 【Designed for water】: A fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.
- 【5-Grid Power Display】: 20%, 40%, 60%, 80%, 100%, allowing you to manage time and monitor the battery status easily. What’s in the box : 1* On board battery chargers for boats; 1* 72'' Input cable; 3* 79'' Output cable; 3* Battery clips; 4* Screws; 1* Bag, 1* Manual. 3-YEAR WARRANTY FOR CHARGER.

## Product Details

- **Brand:** Zrfmib
- **Colour:** Black
- **Product dimensions:** 26D x 22.9W x 5.6H centimetres
- **Output voltage:** 12 Volts (DC)
- **Input voltage:** 120 Volts

## Images

![Smart 3 Bank Marine Battery Charger 10X3, 30A (10A/Bank) 12V,Waterproof,lifepo4 Lithium Boat Battery Charger Maintainer and Desulfator for AGM, Lithium,Deep-Cycle Batteries Boat Accessories - Image 1](https://m.media-amazon.com/images/I/71lUrY4-JdL.jpg)
![Smart 3 Bank Marine Battery Charger 10X3, 30A (10A/Bank) 12V,Waterproof,lifepo4 Lithium Boat Battery Charger Maintainer and Desulfator for AGM, Lithium,Deep-Cycle Batteries Boat Accessories - Image 2](https://m.media-amazon.com/images/I/71hlZ8yGBAL.jpg)
![Smart 3 Bank Marine Battery Charger 10X3, 30A (10A/Bank) 12V,Waterproof,lifepo4 Lithium Boat Battery Charger Maintainer and Desulfator for AGM, Lithium,Deep-Cycle Batteries Boat Accessories - Image 3](https://m.media-amazon.com/images/I/71olJaMy7OL.jpg)
![Smart 3 Bank Marine Battery Charger 10X3, 30A (10A/Bank) 12V,Waterproof,lifepo4 Lithium Boat Battery Charger Maintainer and Desulfator for AGM, Lithium,Deep-Cycle Batteries Boat Accessories - Image 4](https://m.media-amazon.com/images/I/71QH9FP3CJL.jpg)
![Smart 3 Bank Marine Battery Charger 10X3, 30A (10A/Bank) 12V,Waterproof,lifepo4 Lithium Boat Battery Charger Maintainer and Desulfator for AGM, Lithium,Deep-Cycle Batteries Boat Accessories - Image 5](https://m.media-amazon.com/images/I/81ShYsD5H-L.jpg)

## Frequently Bought Together

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-23*