--- product_id: 249554814 title: "Genius GEN5X3: 3-Bank, 15A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries" brand: "noco" price: "VT83736" currency: VUV in_stock: true reviews_count: 13 category: "Noco" url: https://www.desertcart.vu/products/249554814-genius-gen5x3-3-bank-15a-onboard-battery-charger-5a-per store_origin: VU region: Vanuatu --- # 15A total output IP68 waterproof rating 3 independent charging banks Genius GEN5X3: 3-Bank, 15A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries **Brand:** noco **Price:** VT83736 **Availability:** ✅ In Stock ## Summary > ⚡ Charge smarter, stay powered longer — the GEN5X3 is your marine battery’s best ally. ## Quick Answers - **What is this?** Genius GEN5X3: 3-Bank, 15A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries by noco - **How much does it cost?** VT83736 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/249554814-genius-gen5x3-3-bank-15a-onboard-battery-charger-5a-per) ## 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:** Resurrect dead batteries down to zero volts—never replace a neglected battery prematurely again. - • **Smart Thermal Sensing:** Adaptive temperature compensation prevents overcharge or undercharge—battery longevity guaranteed in any climate. - • **Marine-Grade Durability:** IP68 waterproof, shock-isolated mounting, and tested for thousands of hours underwater—built to brave the harshest marine conditions. - • **Power-Packed Compactness:** 37% smaller yet 43% more powerful than its predecessor—max performance in minimal space. - • **Triple Independent Charging:** Simultaneously charge and maintain 3 different 12V batteries with 5A per bank—customized power for every battery type. ## Overview The NOCO Genius GEN5X3 is a cutting-edge, fully-sealed 3-bank onboard battery charger delivering 15 amps total (5A per bank) for 12V lead-acid and lithium batteries. It’s 37% smaller and 43% more powerful than its predecessor, featuring selectable charging modes, integrated thermal sensors for temperature-based charging optimization, and Force Mode to revive dead batteries. Rated IP68 waterproof and engineered for marine environments, it offers versatile, independent charging with a simplified mounting system and a 3-year warranty, making it the ultimate solution for professional-grade battery maintenance on boats and beyond. ## Description The NOCO GEN5X3 is a fully-sealed, waterproof onboard battery charger rated at 15 amps total—5 amps per bank—designed for 12-volt lead-acid and lithium-ion batteries, including flooded, AGM, gel, and LiFePO₄ chemistries. It’s 37% smaller and delivers 43% more power than the previous-generation GENM3, making it our most compact and advanced charger yet. Each bank operates independently, allowing you to precisely charge and maintain three batteries simultaneously, even if they differ in type or condition. Selectable charging modes—12V, AGM, Lithium, and Repair Mode—offer tailored charging for battery health and longevity, while an integrated thermal sensor automatically adjusts charging in hot and cold climates to prevent overcharging or undercharging. For severely discharged batteries, Force Mode lets you manually begin charging from zero volts, a critical advantage for recovering deeply neglected batteries that other chargers can’t detect. Engineered for the harshest marine environments, the GEN5X3 features an IP68 rating and has endured brutal life cycle testing, including thousands of hours underwater. Installation is fast and secure in any orientation—even upside down—thanks to a redesigned mounting system with an integrated anti-vibration backing that isolates shock and noise. The GEN5X3 comes with 72-inch DC cables with 3/8-inch eyelets, a 72-inch Type-B AC cable, two mounting screws, and a user guide. It’s backed by a 3-year warranty, engineered in the USA, and certified to UL1236, ISO 8846, and 33 CFR 183.410 for safety, ignition protection, and marine compliance. Review: Works great - Easy install , basically plug and play Chargers all tbree of my batteries Review: Good quality - Very nice packaging,easy install,good quality, ## Features - MEET THE GEN5X3 — 37% smaller and 43% more powerful than the GENM3. It’s our most compact and advanced onboard charger yet—engineered for peak performance in the harshest marine environments. - MULTIPLE BANKS — A three-bank onboard battery charger rated at 15 amps total - 5 amps per bank. Independently charge 12V batteries in marine, boat, starter, and deep-cycle systems. - CHARGING MODES — Selectable modes for each bank: 12V, 12V AGM, 12V Lithium, and 12V Repair Mode. Independently charge and maintain all types of lead-acid and lithium-ion batteries with precision. - ENJOY PRECISION CHARGING — An integrated thermal sensor adjusts charging based on ambient temperature, preventing overcharging in heat and undercharging in cold for optimal battery performance. - CHARGE DEAD BATTERIES — Charge batteries from as low as 1 volt, or use Force Mode to manually begin charging batteries down to zero volts to recover deeply discharged or neglected batteries. - REDEFINED MOUNTING — A simplified mounting system allows for fast, secure installation in any orientation - even upside down - with an integrated anti-vibration backing to isolate shock and noise. - DESIGNED FOR WATER — A fully-sealed onboard charger rated IP68 for waterproof protection. Survives brutal life cycle testing, including thousands of hours underwater in the harshest marine conditions. - WHAT’S IN THE BOX — GEN5X3 15A 3-bank onboard charger with 72-inch DC cables and 3/8-inch eyelets, 72-inch AC cable (Type-B), and two mounting screws. Backed by a 3-year warranty and engineered in the USA. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08G3F4RN8 | | Amperage | 5 | | Battery Charge Time | 1 Hours | | Best Sellers Rank | #5,241 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #3 in Boat Battery Chargers | | Brand | NOCO | | Built-In Media | (2) Black Truss-Head Screws, GEN5X3 15A 3-Bank Smart Waterproof Onboard Marine Battery Charger and Battery Maintainer (120-240VAC), Onboard Marine Battery Charger User Guide | | Color | Black | | Compatible Devices | 12-volt batteries (marine, boat, starter, deep-cycle, and lithium-ion) | | Connector Type Used on Cable | Standard DC and AC power connectors | | Current Rating | 15 Amps | | Customer Reviews | 4.6 out of 5 stars 3,460 Reviews | | Global Trade Identification Number | 00046221190465 | | Input Voltage | 240 Volts | | Item Dimensions D x W x H | 10.08"D x 8.86"W x 5.63"H | | Item Type Name | NOCO Genius GEN5X3, 3-Bank, 15A (5A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle Batteries | | Item Weight | 6.09 Pounds | | Manufacturer | NOCO | | Mfr Part Number | GEN5X3 | | Model Number | GEN5X3 | | Number of Ports | 3 | | Output Voltage | 12 Volts | | Product Dimensions | 10.08"D x 8.86"W x 5.63"H | | Specification Met | CEC, FCC, UL | | UPC | 046221190465 | | Unit Count | 1.0 Count | | Warranty Description | 3-Year Limited | ## Product Details - **Brand:** NOCO - **Color:** Black - **Item Weight:** 6.1 Pounds - **Output Voltage:** 12 Volts - **Product Dimensions:** 10.08"D x 8.86"W x 5.63"H ## Images ![Genius GEN5X3: 3-Bank, 15A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries - Image 1](https://m.media-amazon.com/images/I/81mX5C2+bxL.jpg) ![Genius GEN5X3: 3-Bank, 15A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries - Image 2](https://m.media-amazon.com/images/I/919iX98VW7L.jpg) ![Genius GEN5X3: 3-Bank, 15A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries - Image 3](https://m.media-amazon.com/images/I/91cm9VfagfL.jpg) ![Genius GEN5X3: 3-Bank, 15A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries - Image 4](https://m.media-amazon.com/images/I/91dvBO4kjAL.jpg) ![Genius GEN5X3: 3-Bank, 15A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries - Image 5](https://m.media-amazon.com/images/I/A14PuAZ+LoL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: My application is a 36v golf cart (3 x 12v) - I'm assuming that I could use this for a battery maintainer (one "channel" for ea 12v battery)?** A: Yes. Channel 1 to battery 1, channel 2 to battery 2, channel 3 to battery 3. **Q: I have 2 group 31 Deep cycle batteries in series. Is the charge time with this charger longer leaving them connected? what's the difference?** A: As long as there is nothing hot feeding off the battery should charge just as fast either way. Leaving the charger connected all the time won’t hurt your batteries. It will go into standby on its own once the batteries reach full charge **Q: Can this be used for all types of standard 12V car batteries?** A: Yes, it works on 12 and 24 volt systems. I love mine and it will also tell you if your battery is bad. You will love it, works great! **Q: Is it supposed to stay lit after unplugged from marina? Mine is off while the boat is out.** A: No it doesn't stay lit when unplugged from the power supply. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great *by R***Z on April 10, 2026* Easy install , basically plug and play Chargers all tbree of my batteries ### ⭐⭐⭐⭐⭐ Good quality *by H***. on April 26, 2026* Very nice packaging,easy install,good quality, ### ⭐⭐⭐⭐⭐ NOCO Genius GEN5X3: Compact Powerhouse for Marine Battery Management *by D***L on June 6, 2025* The NOCO Genius GEN5X3 is a versatile and powerful marine battery charger designed to maintain and charge multiple batteries simultaneously. This three-bank charger is ideal for boats with multiple battery systems, providing efficient and reliable charging for each bank. With its advanced charging technology, the GEN5X3 ensures that your batteries are charged safely and quickly, optimizing their performance and lifespan. Key Features: • Compact and Efficient: The GEN5X3 is 37% smaller yet delivers 43% more power compared to previous models, making it a space-saving solution without compromising performance. • Versatile Charging Modes: It supports various battery types, including 12V, 12V AGM, 12V Lithium, and a specialized 12V Repair Mode, allowing for optimized charging tailored to each battery’s needs. • Rugged Design: Built to withstand harsh marine environments, the charger boasts an IP68 waterproof rating and is designed to endure extreme conditions. • Advanced Safety Features: The GEN5X3 includes built-in protections against short-circuiting, overheating, overcharging, and reverse polarity, ensuring safe operation. Conclusion: The NOCO Genius GEN5X3 stands out as a compact, efficient, and versatile marine battery charger. Its advanced features and rugged design make it a valuable addition to any boat’s electrical system. ## Frequently Bought Together - NOCO Genius GEN5X3, 3-Bank, 15A (5A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle Batteries - NOCO GCP1 15A AC Port Plug, 125V Power Inlet Socket, and Waterproof Electrical Outlet Receptacle Box with 16-Inch Integrated Outdoor Extension Cord - NOCO Genius GEN5X2, 2-Bank, 10A (5A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle 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.vu/products/249554814-genius-gen5x3-3-bank-15a-onboard-battery-charger-5a-per](https://www.desertcart.vu/products/249554814-genius-gen5x3-3-bank-15a-onboard-battery-charger-5a-per) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-15*