---
product_id: 169905284
title: "GENIUS1: 1A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries"
brand: "noco"
price: "HK$775"
currency: HKD
in_stock: true
reviews_count: 8
category: "Noco"
url: https://www.desertcart.hk/products/169905284-genius1-1a-6v-12v-smart-battery-charger-automatic-maintainer-trickle
store_origin: HK
region: Hong Kong
---

# 1A smart charging power 6V/12V multi-chemistry support Auto temperature compensation GENIUS1: 1A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries

**Brand:** noco
**Price:** HK$775
**Availability:** ✅ In Stock

## Summary

> 🔌 Genius charging, compact design—power your ride with confidence!

## Quick Answers

- **What is this?** GENIUS1: 1A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries by noco
- **How much does it cost?** HK$775 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/169905284-genius1-1a-6v-12v-smart-battery-charger-automatic-maintainer-trickle)

## Best For

- noco enthusiasts

## Why This Product

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

## Key Features

- • **Compact Powerhouse:** 35% smaller yet 35% more powerful than previous models—charge smarter, not bulkier.
- • **Revive Dead Batteries:** Force Mode charges batteries down to zero volts—perfect for restoring neglected or flat batteries.
- • **Smart Thermal Sensing:** Dynamic temperature compensation prevents overcharge and undercharge for peak battery health.
- • **All-in-One Battery Care:** Charges, maintains, trickle charges, and desulfates lead-acid & lithium batteries effortlessly.
- • **Safe Long-Term Maintenance:** Leave it connected indefinitely with overcharge protection for worry-free battery upkeep.

## Overview

The NOCO GENIUS1UK is a cutting-edge 1A smart battery charger and maintainer designed for 6V and 12V lead-acid and lithium batteries. Featuring advanced temperature compensation, overcharge protection, and desulfation technology, it ensures optimal battery performance and longevity. Its compact size delivers 35% more power than previous models, supports a wide range of vehicle batteries, and includes a 3-year warranty, making it the ultimate all-in-one charging solution for professionals and enthusiasts alike.

## Description

Versatile 6V/12V battery charger with auto temp compensation, overcharge protection, and desulfation to keep lead-acid and lithium batteries in optimal condition.

Review: Noco-superb-charger! Awesome - This arrived in 24hrs - seller is to notch 5 star business. This is my 4th Genius - they are superb. Cannot fault quality and ease of use. 10/10
Review: Great motorbike charger - Works perfect for charging my motorbike and keeping the battery healthy when not in use. Compact size for wall mounting too.

## Features

- MEET THE GENIUS1UK — Similar to our G750UK, just better. It's 35% smaller and delivers over 35% more power. It's the all-in-one charging solution - battery charger, battery maintainer, trickle charger, plus desulfator.
- DO MORE WITH GENIUS — Designed for 6-volt and 12-volt lead-acid (AGM, EFB, Gel, SLA, VRLA, Start-Stop) and lithium-ion (LiFePO4) batteries, including flooded, maintenance-free, deep-cycle, marine and powersport batteries.
- ENJOY PRECISION CHARGING — An integrated thermal sensor dynamically adjusts the charge based on ambient temperature, preventing overcharging in hot weather and undercharging in cold, ensuring optimal battery performance.
- CHARGE FLAT BATTERIES — Charge batteries from as low as 1 volt, or use Force Mode to manually charge completely dead batteries down to zero volts. Perfect for recovering deeply discharged or neglected batteries.
- BEYOND MAINTENANCE — Keep your battery fully charged without worrying about overcharging. Our smart charger constantly monitors the battery, allowing you to leave it connected safely - indefinitely - for worry-free maintenance.
- RESTORE YOUR BATTERY — Precision pulse charging automatically detects and reverses battery sulfation and acid stratification, restoring your battery's health for improved performance and extended lifespan.
- COMPATIBLE — Charges and maintains all types of vehicles, including cars, motorbikes, motorcycles, scooters, mopeds, lawnmowers, ATVs, quads, tractors, trucks, caravans, campervans, motorhomes, vans, boats, leisure, and more.
- WHAT'S IN THE BOX — Includes a 1A charger, a direct wall plug-in, 110-inch DC cable with battery clamps, and integrated eyelet terminals, and 3-year warranty. Proudly designed in the USA.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0828HMG3N |
| Battery Charge Time | 1 Hours |
| Best Sellers Rank | 149 in Automotive ( See Top 100 in Automotive ) 1 in Motorbike Battery Chargers 3 in Car Battery Charging Units |
| Box Contents | 3-Year Limited Warranty, Battery Charger User Guide, GENIUS1UK 1A Smart Battery Charger and Battery Maintainer, Needle-Nose Battery Clamps With Integrated Eyelet Terminals |
| Brand | NOCO |
| Brand Name | NOCO |
| Colour | Black |
| Country of Origin | China |
| Current Rating | 1 Amps |
| Customer Reviews | 4.4 out of 5 stars 4,269 Reviews |
| EU Spare Part Availability Duration | 2 Years |
| Input Voltage | 240 Volts |
| Item Dimensions D x W x H | 10.2D x 8.7W x 17.1H centimetres |
| Item Type Name | NOCO GENIUS1UK, 1A Smart Car Charger, 6V and 12V Portable Heavy-Duty Battery Charger Maintainer, Trickle Charger and Desulfator Conditioner for AGM, Leisure, Lithium, Motorbike and Caravan Batteries |
| Item Weight | 0.43 Kilograms |
| Item height | 17.1 centimetres |
| Item weight | 0.43 Kilograms |
| Manufacturer | NOCO |
| Manufacturer Part Number | GENIUS1UK |
| Output Voltage | 12 Volts (DC) |
| Output voltage | 12 Volts (DC) |
| Product dimensions | 10.2D x 8.7W x 17.1H centimetres |
| Specification Met | CE, UKCA, WEEE |
| Specification met | CE, UKCA, WEEE |

## Product Details

- **Brand:** NOCO
- **Colour:** Black
- **Product dimensions:** 10.2D x 8.7W x 17.1H centimetres
- **Item weight:** 0.43 Kilograms
- **Output voltage:** 12 Volts (DC)

## Images

![GENIUS1: 1A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries - Image 1](https://m.media-amazon.com/images/I/81JQuz1J4mL.jpg)

## Questions & Answers

**Q: Hi , what is the charge capacity for this charger ? Will it charge a 100 AH battery ?**
A: The GENIUS1 can charge a 100 amp-hour battery, but it will be an extended charge time if the battery is completely dead. For example, the GENIUS1 would take roughly 76-hours to recharge a dead battery. For comparison, the GENIUS2 would be 37-hours, the GENIUS5 would be 15-hours and the GENIUS10 would be 7-hours.

**Q: Will it auto resume maintaining the battery after a power cut ?**
A: It should do as I understand anytime it is used it should start up from the last setting each time, so when I go to set up the charger next time it will automatically go to the 12V set up I used the first time.

**Q: Does anyone know if i have to disconnect the car battery leads first to use this charger? or can i literally pop the hood and connect it up?**
A: You do not have to disconnect the battery from the car.

**Q: Which model can you suggest for an audi tt, 3.2 l. the car is rarely used, but i want to keep the battery topped up**
A: The basic model I have found to be totally satisfactory….I use it on my Mazda 2…it was recommended by the AA guy who came to start my car.  Much better than my old charger.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Noco-superb-charger! Awesome
*by G***B on 12 January 2026*

This arrived in 24hrs - seller is to notch 5 star business. This is my 4th Genius - they are superb. Cannot fault quality and ease of use. 10/10

### ⭐⭐⭐⭐⭐ Great motorbike charger
*by J***S on 18 September 2025*

Works perfect for charging my motorbike and keeping the battery healthy when not in use. Compact size for wall mounting too.

### ⭐⭐⭐⭐ Replacement great, but first one didn't work.
*by T***1 on 12 March 2025*

Had to send the first charger back as it was defective, displaying red and green flashing LEDs alternately, before shutting down after a few minutes. The item had arrived unsealed and with tears to the packaging so it seems as it had been returned as defective before being sent out to me. The replacement arrived the next day, properly sealed, and I set it up in my camper. It worked exactly as it should and is now keeping the starting battery topped up.

## Frequently Bought Together

- NOCO GENIUS1: 1A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries
- NOCO GC002 X-Connect M6 Eyelet Terminal Accessory for Genius Smart Battery Chargers
- NOCO GC004 X-Connect 3-Meter Extension Cable Accessory for NOCO Genius Smart Battery Chargers

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**Shop now:** [https://www.desertcart.hk/products/169905284-genius1-1a-6v-12v-smart-battery-charger-automatic-maintainer-trickle](https://www.desertcart.hk/products/169905284-genius1-1a-6v-12v-smart-battery-charger-automatic-maintainer-trickle)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-22*