---
product_id: 168875225
title: "GENIUS2: 2A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries"
brand: "noco"
price: "€ 105.18"
currency: EUR
in_stock: true
reviews_count: 12
category: "Noco"
url: https://www.desertcart.nl/products/168875225-genius2-2a-6v-12v-smart-battery-charger-automatic-maintainer-trickle
store_origin: NL
region: Netherlands
---

# 2A charging power Supports 6V & 12V batteries Temperature compensation tech GENIUS2: 2A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

**Brand:** noco
**Price:** € 105.18
**Availability:** ✅ In Stock

## Summary

> 🔌 Charge ahead with confidence—power, precision, and protection in one compact genius.

## Quick Answers

- **What is this?** GENIUS2: 2A 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?** € 105.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/168875225-genius2-2a-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

- • **Force Mode Revival 🔄:** Resurrects dead batteries down to zero volts with manual override—never get stranded again.
- • **Power-Packed Precision ⚡:** Delivers 30% more power in a sleek 140% smaller design—charge smarter, not bulkier.
- • **Set & Forget Maintenance 🔧:** Advanced automatic reconditioning every 24 hours with zero risk of overcharging—your battery’s lifelong bodyguard.
- • **Universal Battery Whisperer 🔋:** Compatible with lead-acid and lithium-ion batteries across cars, motorcycles, marine, and powersports.
- • **Climate-Adaptive Charging 🌡️:** Automatically adjusts charging cycles to ambient temperature for peak battery health year-round.

## Overview

The NOCO GENIUS2 is a compact, high-efficiency 2A smart battery charger and maintainer designed for 6V and 12V lead-acid and lithium-ion batteries. Featuring temperature compensation, Force Mode for dead batteries, and advanced pulse charging, it ensures optimal battery health and longevity across a wide range of vehicles and climates. Its automatic maintenance and overcharge protection make it ideal for long-term battery care, all backed by a 3-year warranty and proudly designed in the USA.

## Description

The GENIUS2 is the ultimate all-in-one solution for battery charging, maintenance, and restoration, delivering 30% more power in a 140% smaller design compared to its predecessor, the G1100. Designed for 6-volt and 12-volt lead-acid (AGM, gel, flooded, and deep-cycle) and lithium-ion (LiFePO4) batteries (up to 40 amp-hours), it is compatible with a vast array of vehicles, such as cars, automobiles, motorcycles, dirt bikes, scooters, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, snowmobiles, golf carts, classic cars, and more; including automotive brands like BMW, Mercedes-Benz, Porsche, Bentley, Maserati, Lexus, Audi, Ford, Chevrolet, Corvette, Cadillac, Prius, Toyota, Subaru, Nissan, powersport vehicles such as Harley-Davidson, Honda, Yamaha, Kawasaki, Ducati, Indian, KTM, Husqvarna, Vespa, Polaris, Seadoo, as well as lawn and garden vehicles such as John Deere, Kubota, Toro and more. Featuring an integrated thermal sensor, the GENIUS2 adjusts its charging profile based on ambient temperature, ensuring optimal performance by eliminating the risk of overcharging in hot climates and undercharging in cold ones. It's capable of charging batteries as low as 1 volt and offers a Force Mode for manually charging completely dead batteries (as low as zero volts). With precision pulse charging, the GENIUS2 restores battery health by reversing sulfation and acid stratification, improving performance and extending battery life. Its advanced monitoring system allows for safe, indefinite connection, making it perfect for long-term maintenance. The package includes a 2A charger (120-240VAC), 72-inch AC cable, 80-inch DC cable with battery clamps, and integrated eyelet terminals, mounting bracket and screws, all backed by a three-year warranty. Proudly designed in the USA, the GENIUS2 combines power, reliability, and convenience in a compact design to keep your batteries ready for whatever lies ahead.

Review: The NOCO Genius2 sets the standard for battery maintainers. - As a dedicated auto enthusiast, I use the best quality products available on the market and the NOCO chargers have certainly earned their place based on outstanding performance and value. These compact trickle chargers are designed and constructed of high quality materials and components that will provide many years of dependable service. I consistently use three of the 2 amp chargers on the cars that are not driven frequently as well as my ATV and lawn tractor. One of the best features is the chargers’ ability to detect high and low temperature conditions and automatically adjust the charging rate so as to not overheat the battery or the charger itself. The quality and reliability of NOCO battery chargers are so good that I have also purchased these products as gifts for others who also seek out the best automotive products available today.
Review: Yes, this is what you want for your portable generator with electric start! - Great product! I use it for my Generac portable generators. Note: Make sure you know what type battery you have. Most generators ship with a standard lead-acid battery. Make sure you select the correct charging type when using the NOCO. (It will remember your setting so you don’t have to do this each time. Only if you change battery types (such as to an AGM battery). Having the “clamps” removable allowing you to screw the connector wires directly to the battery is brilliant and works great! Just connect the charger when storing your generator with the quick connect and disconnect when using the generator. The electric start battery stays charged, ready and healthy 24/7. Highly recommend.

## Features

- THE ALL-NEW GENIUS2: Introducing the all-new GENIUS2, making it one of our the most powerful, highest-performing, energy-efficient, and compact charger yet.
- THE EVERYTHING CHARGER: A versatile battery charger designed for lead-acid and lithium-ion batteries, including, Flooded, Gel, and AGM, as well as, Marine and Deep-Cycle batteries.
- CHARGE DOWN TO ZERO VOLTS: All-new Force Mode allows you to bypass the internal battery sensing technology and manually force charging to recharge low-voltage batteries.
- OPTIMIZED FOR ANY CLIMATE: All-new temperature compensation dynamically alters each charge cycle based on the ambient temperature to provide a more exact charge.
- BEYOND MAINTENANCE CHARGING: Say goodbye to trickle chargers and welcome the most advanced battery maintenance charger ever. It's completely automatic, reconditions every 24-hours, and never overcharges.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07W6B987F |
| Best Sellers Rank | #177 in Automotive ( See Top 100 in Automotive ) #3 in Battery Chargers |
| Customer Reviews | 4.6 4.6 out of 5 stars (17,964) |
| Date First Available | November 18, 2019 |
| Department | unisex-adult |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.23 pounds |
| Item model number | GENIUS2 |
| Manufacturer | NOCO |
| Product Dimensions | 1.7 x 2.4 x 3.7 inches |

## Product Details

- **Brand:** NOCO
- **Color:** Black
- **Item Weight:** 1.23 Pounds
- **Output Voltage:** 12 Volts
- **Product Dimensions:** 3.43"D x 4.25"W x 6.97"H

## Images

![GENIUS2: 2A 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/81dOFbll55L.jpg)

## Available Options

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

## Questions & Answers

**Q: Is axtra 3.6-amp battery charger maintainer better than noco 2-amp charger?**
A: AXTRA car battery charger is more adequate in term of quality and features than Noco Genius 2 charger. Highly recommend AXTRA battery charger: www.amazon.com/AXTRA-Fully-Automatic-Maintainer-Motorcycle-Tractors/dp/B08T7V4VQC

I am an auto mechanic for 23 years. I have been testing these two chargers for about 8 months so far. AXTRA battery charger has 3.6 amp and 0.9 amp for small, medium, large size cars and trucks. NOCO has 2 amp only. AXTRA is more adequate to trickle charge motorcycle, lawn mower and ATV.

**Q: How does noco 2-amp battery charger compare to axtra 3.6-amp battery charger?**
A: The NOCO GENIUS2 is a 2-amp battery charger that can be used for a wide variety of batteries (including 12-volt lithium, and 6-volt lead-acid). It automatically maintains the battery once full, and can help recover sulfated and stratified batteries.

**Q: How long is the wires? if the wires is too short, can i use axtra 8-outlet power strip as an extension?**
A: The A/C and D/C cables are 6-feet. You can plug the charger into a power strip, or use an 18-gauge A/C extension cord for distances up to 100-feet.

**Q: What is the difference between noco genius2 and noco genius2d (with d) ?**
A: The GENIUS2D is an onboard battery charger/maintainer model for 12V lead-acid/AGM batteries. The GENIUS2 is a multi-purpose battery charger/maintainer model for a wider variety of applications, including 12V lithium and 6V lead-acid/AGM.

## Customer Reviews

### ⭐⭐⭐⭐⭐ The NOCO Genius2 sets the standard for battery maintainers.
*by C***0 on December 21, 2025*

As a dedicated auto enthusiast, I use the best quality products available on the market and the NOCO chargers have certainly earned their place based on outstanding performance and value. These compact trickle chargers are designed and constructed of high quality materials and components that will provide many years of dependable service. I consistently use three of the 2 amp chargers on the cars that are not driven frequently as well as my ATV and lawn tractor. One of the best features is the chargers’ ability to detect high and low temperature conditions and automatically adjust the charging rate so as to not overheat the battery or the charger itself. The quality and reliability of NOCO battery chargers are so good that I have also purchased these products as gifts for others who also seek out the best automotive products available today.

### ⭐⭐⭐⭐⭐ Yes, this is what you want for your portable generator with electric start!
*by S***Y on January 29, 2026*

Great product! I use it for my Generac portable generators. Note: Make sure you know what type battery you have. Most generators ship with a standard lead-acid battery. Make sure you select the correct charging type when using the NOCO. (It will remember your setting so you don’t have to do this each time. Only if you change battery types (such as to an AGM battery). Having the “clamps” removable allowing you to screw the connector wires directly to the battery is brilliant and works great! Just connect the charger when storing your generator with the quick connect and disconnect when using the generator. The electric start battery stays charged, ready and healthy 24/7. Highly recommend.

### ⭐⭐⭐⭐⭐ Good Quality
*by J***Y on December 11, 2025*

I use this to recharge my and maintain charge on my garden tractor. Simple to connect and operate. Like the display indicating charge progress. Controller will not let it overcharge. Appears durable. Works great

## Frequently Bought Together

- NOCO GENIUS2: 2A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries
- SafeAMP Wire Harness Compatible with NOCO(R) GC008 X-Connect, M10 (3/8in) XL Eyelet Terminal Connector
- NOCO GENIUS1: 1A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-26*