---
product_id: 42052524
title: "12V 5A Smart Battery Charger & Maintainer for Car Motorcycle Marine Boat, 4-Stage Fully Automatic Trickle Charger for Lawn Mower, AGM Gel SLA Deep Cycle Lead Acid Batteries"
brand: "bmk bluemickey"
price: "R406"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/42052524-12v-5a-smart-battery-charger-and-maintainer-for-car-motorcycle
store_origin: ZA
region: South Africa
---

# 5A rapid charging power 4-stage smart battery management 10A fuse for heavy-duty safety 12V 5A Smart Battery Charger & Maintainer for Car Motorcycle Marine Boat, 4-Stage Fully Automatic Trickle Charger for Lawn Mower, AGM Gel SLA Deep Cycle Lead Acid Batteries

**Brand:** bmk bluemickey
**Price:** R406
**Availability:** ✅ In Stock

## Summary

> 🔌 Keep your battery alive and thriving — because your ride deserves the best!

## Quick Answers

- **What is this?** 12V 5A Smart Battery Charger & Maintainer for Car Motorcycle Marine Boat, 4-Stage Fully Automatic Trickle Charger for Lawn Mower, AGM Gel SLA Deep Cycle Lead Acid Batteries by bmk bluemickey
- **How much does it cost?** R406 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/42052524-12v-5a-smart-battery-charger-and-maintainer-for-car-motorcycle)

## Best For

- bmk bluemickey enthusiasts

## Why This Product

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

## Key Features

- • **Portable Powerhouse:** Lightweight (just 15.87oz) and compact, ideal for on-the-go battery maintenance wherever life takes you.
- • **Set & Forget Smart Tech:** Fully automatic 4-stage charging with LED indicators ensures optimal battery health without any guesswork.
- • **Winter-Proof Battery Care:** 72-hour safety timer and pulse charging prevent overcharge and battery drain during long storage periods.
- • **Built Tough for Every Ride:** ETL certified with a 10A fuse and spark-proof design, perfect for cars, motorcycles, boats, and lawn mowers.
- • **Charge Faster, Drive Longer:** Powerful 5 Amp output charges your battery up to 2-5x faster than standard 1A or 2A chargers.

## Overview

The BMK 12V 5A Smart Battery Tender is a fully automatic, 4-stage battery maintainer designed for 12V lead-acid batteries including AGM, Gel, SLA, and deep cycle types. It features rapid 5 amp charging, advanced battery diagnostics to detect faults before charging, and a 72-hour safety timer to prevent overcharging during long-term storage. With ETL certification, a heavy-duty 10A fuse, and spark-proof technology, it offers reliable, safe, and efficient battery care for cars, motorcycles, marine vessels, and lawn equipment. Compact and lightweight, it’s the ultimate smart charger for professionals who demand performance and peace of mind.

## Description

Buy 12V 5A Smart Battery Charger & Maintainer for Car Motorcycle Marine Boat, 4-Stage Fully Automatic Trickle Charger for Lawn Mower, AGM Gel SLA Deep Cycle Lead Acid Batteries: Battery Chargers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Fast Charging & Battery Diagnosis: Charge 12V lead-acid batteries faster than standard 1A or 2A chargers. The built-in battery diagnosis function checks battery condition before charging, helping improve charging efficiency and safety.
- Smart Trickle Maintenance: Ideal for long-term storage of motorcycles, boats, lawn mowers, ATVs, and seasonal vehicles. Pulse maintenance technology helps reduce self-discharge while preventing overcharging to keep batteries ready for use.
- Fully Automatic 4-Stage Charging: Powered by an intelligent MCU controller with four charging stages: Initialization, Bulk, Absorption, and Float. LED indicators display charging progress at 25%, 50%, 75%, and 100% for easy monitoring. Simply connect and let it automatically maintain your battery.
- Multiple Safety Protections: Built with an integrated 10A fused ring terminal harness for added circuit protection. Compatible with 12V Pb, SLA, VRLA, GEL, AGM, and deep-cycle lead-acid batteries. Compact and lightweight for convenient everyday use.
- ETL Certified Quality: ETL certified and tested for reliable performance. Designed for dependable charging and battery maintenance with responsive customer support from BMK. Suitable for a wide range of 12V lead-acid battery applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XK7PM9F |
| Amperage | 5 A |
| Best Sellers Rank | #641,814 in Automotive ( See Top 100 in Automotive ) #1,491 in Battery Chargers |
| Brand | BMK BLUEMICKEY |
| Color | 12V@5A |
| Compatible Devices | car, motorcycle, marine, boat, lawn mower |
| Connector Type Used on Cable | Alligator Clips |
| Current Rating | 5 A |
| Customer Reviews | 4.3 4.3 out of 5 stars (3,616) |
| Input Voltage | 120 volts_of_alternating_current |
| Item Dimensions D x W x H | 5.89"D x 2.78"W x 2.2"H |
| Item Weight | 15.87 ounces |
| Manufacturer | BMK BLUEMICKEY |
| Mfr Part Number | 4333804069 |
| Model Number | 4333804069 |
| Number of Items | 1 |
| Output Voltage | 14.7 volts |
| UPC | 614878158000 |
| Unit Count | 20.8 Ounce |
| Warranty Description | 24 Months Warranty-Life Time Quality Guarantee |

## Product Details

- **Brand:** BMK BLUEMICKEY
- **Color:** 12V@5A
- **Item Weight:** 15.87 ounces
- **Output Voltage:** 14.7 volts
- **Product Dimensions:** 5.89"D x 2.78"W x 2.2"H

## Images

![12V 5A Smart Battery Charger & Maintainer for Car Motorcycle Marine Boat, 4-Stage Fully Automatic Trickle Charger for Lawn Mower, AGM Gel SLA Deep Cycle Lead Acid Batteries - Image 1](https://m.media-amazon.com/images/I/71ENcU-sjWL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.co.za/products/42052524-12v-5a-smart-battery-charger-and-maintainer-for-car-motorcycle](https://www.desertcart.co.za/products/42052524-12v-5a-smart-battery-charger-and-maintainer-for-car-motorcycle)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-09-24*