--- product_id: 168875225 title: "GENIUS2 2A 6/12V Smart Battery Charger, Trickle Charger & Maintainer" brand: "noco" price: "¥19046" currency: JPY in_stock: true category: "Noco" url: https://www.desertcart.jp/products/168875225-genius2-2a-6-12v-smart-battery-charger-trickle-charger-maintainer store_origin: JP region: Japan --- # 2A smart charging power Charges down to 0V with Force Mode Dynamic temperature compensation GENIUS2 2A 6/12V Smart Battery Charger, Trickle Charger & Maintainer **Brand:** noco **Price:** ¥19046 **Availability:** ✅ In Stock ## Summary > 🔌 Power up your ride with the smartest charger on the block! ## Quick Answers - **What is this?** GENIUS2 2A 6/12V Smart Battery Charger, Trickle Charger & Maintainer by noco - **How much does it cost?** ¥19046 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/168875225-genius2-2a-6-12v-smart-battery-charger-trickle-charger-maintainer) ## 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 - • **Revive & Maintain:** Precision pulse charging reverses sulfation and acid stratification—extend battery life beyond expectations. - • **Compact Powerhouse:** Delivers 30% more power in a 140% smaller design—charge smarter, not bulkier. - • **Set & Forget Safety:** Automatic, overcharge-protected maintenance with indefinite safe connection—never worry about battery health again. - • **All-Battery Compatibility:** Supports lead-acid & lithium-ion types including AGM, Gel, Flooded, and Deep-Cycle—one charger for every ride. - • **Climate-Adaptive Charging:** Built-in thermal sensor adjusts charging cycles to ambient temperature—perfect performance in any weather. ## Overview The NOCO GENIUS2 is a cutting-edge 2A smart battery charger and maintainer designed for 6V and 12V lead-acid and lithium-ion batteries. It features Force Mode for charging dead batteries down to zero volts, dynamic temperature compensation for optimized charging in any climate, and precision pulse technology to restore battery health. Compact yet powerful, it supports a wide range of vehicles from motorcycles to boats, ensuring reliable, automatic maintenance without overcharging. Backed by a 3-year warranty and proudly made in the USA, it’s the ultimate all-in-one battery care solution for professionals who demand peak performance. ## 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. ## Features - MEET THE GENIUS2 — Similar to our G1100, just better. It's 30% smaller and delivers over 140% 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, Gel, SLA, VRLA) 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 DEAD 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, automobiles, motorcycles, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, classic cars, and more. - WHAT'S IN THE BOX — Includes a 2A charger, 72-inch AC cable, 80-inch DC cable with battery clamps, and integrated eyelet terminals, mounting bracket, screws, and a 3-year warranty. Proudly designed in the USA. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07W6B987F | | Amperage | 2 | | Battery Charge Time | 1E+1 hours | | Best Sellers Rank | #95 in Automotive ( See Top 100 in Automotive ) #2 in Battery Chargers | | Brand | NOCO | | Built-In Media | (2) Black Truss-Head Screws, 3-Year Limited Warranty, Battery Charger Mounting Bracket With Velcro Strap, Battery Charger User Guide, GENIUS2 2A Smart Battery Charger and Battery Maintainer, Needle-Nose Battery Clamps With Integrated Eyelet Terminals | | Color | Black | | Compatible Devices | Cars, Boats, Motorcycles, ATVs, RVs, Trucks, SUVs, Scooters, Lawn Mowers, Tractors and More | | Connector Type Used on Cable | Battery Clamps and Eyelet Terminals | | Current Rating | 2 A | | Customer Reviews | 4.6 out of 5 stars 18,970 Reviews | | Global Trade Identification Number | 00046221190038 | | Input Voltage | 12 volts | | Item Dimensions D x W x H | 3.43"D x 4.25"W x 6.97"H | | Item Highlight | Overcharge Protection, Desulfator, Temperature Compensation, Force Mode, For Lead-Acid (Wet, Gel, AGM) & Lithium (LiFePO4) | | Item Type Name | NOCO GENIUS2, 2A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries | | Item Weight | 1.2 pounds | | Manufacturer | NOCO | | Mfr Part Number | GENIUS2 | | Model Number | GENIUS2 | | Number of Items | 1 | | Number of Ports | 1 | | Output Voltage | 12 volts | | Product Dimensions | 3.43"D x 4.25"W x 6.97"H | | UPC | 046221190038 | | Unit Count | 1 Count | | Warranty Description | 3 Year Limited | ## Product Details - **Brand:** NOCO - **Color:** Black - **Item Weight:** 1.2 pounds - **Output Voltage:** 12 volts - **Product Dimensions:** 3.43"D x 4.25"W x 6.97"H ## Images ![GENIUS2 2A 6/12V Smart Battery Charger, Trickle Charger & Maintainer - Image 1](https://m.media-amazon.com/images/I/81dOFbll55L.jpg) ![GENIUS2 2A 6/12V Smart Battery Charger, Trickle Charger & Maintainer - Image 2](https://m.media-amazon.com/images/I/81rGM02PQVL.jpg) ![GENIUS2 2A 6/12V Smart Battery Charger, Trickle Charger & Maintainer - Image 3](https://m.media-amazon.com/images/I/81qCekRSAcL.jpg) ![GENIUS2 2A 6/12V Smart Battery Charger, Trickle Charger & Maintainer - Image 4](https://m.media-amazon.com/images/I/91IwwvXuAZL.jpg) ![GENIUS2 2A 6/12V Smart Battery Charger, Trickle Charger & Maintainer - Image 5](https://m.media-amazon.com/images/I/81zgoBZuMCL.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. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/168875225-genius2-2a-6-12v-smart-battery-charger-trickle-charger-maintainer](https://www.desertcart.jp/products/168875225-genius2-2a-6-12v-smart-battery-charger-trickle-charger-maintainer) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-15*