

⚡ Charge smarter, sail farther — the GENPRO10X4 keeps your power ready for every adventure!
The NOCO Genius GENPRO10X4 is a cutting-edge 4-bank onboard battery charger delivering 40 amps total (10A per bank) with selectable modes for lead-acid and lithium batteries. Engineered for marine use, it features IP68 waterproofing, thermal sensor temperature compensation, and a compact design with anti-vibration mounting. Ideal for simultaneous charging and maintenance of multiple 12V batteries, it revives dead batteries with Force Mode and ensures peak performance in extreme conditions. Backed by a 3-year warranty and US engineering, it’s the ultimate smart charger for professionals demanding reliability and efficiency on the water.






















| ASIN | B08G38VWQ6 |
| Amperage | 40 Amps |
| Battery Charge Time | 1 Hours |
| Best Sellers Rank | #13,703 in Automotive ( See Top 100 in Automotive ) #89 in Battery Chargers |
| Brand | NOCO |
| Built-In Media | (2) Black Truss-Head Screws, GENPRO10X4 40A 4-Bank Smart Waterproof Onboard Marine Battery Charger and Battery Maintainer (120-240VAC), Onboard Marine Battery Charger User Guide |
| Color | Black |
| Current Rating | 40 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,091) |
| Global Trade Identification Number | 00046221190502 |
| Input Voltage | 240 Volts |
| Item Dimensions D x W x H | 13.78"D x 11.65"W x 6.06"H |
| Item Type Name | NOCO Genius GENPRO10X4, 4-Bank, 40A (10A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle Batteries |
| Item Weight | 16.98 Pounds |
| Manufacturer | NOCO |
| Mfr Part Number | GENPRO10X4 |
| Model Number | GENPRO10X4 |
| Number of Ports | 4 |
| Output Voltage | 12 Volts |
| Specification Met | CEC, FCC, UL |
| UPC | 046221190502 |
| Unit Count | 1.0 Count |
| Warranty Description | 3-Year Limited |
S**C
Great for all kinds of batteries.
I recently installed the NOCO Genius GENPRO10X4 onboard battery charger during my boat remodel, and it has been a game changer! This 4-bank charger delivers a remarkable 40A output, with 10A per bank, making it perfect for managing multiple batteries efficiently. The installation process was straightforward, thanks to its compact design and well-thought-out layout. The user-friendly interface and LED indicators make it easy to monitor the charging status at a glance. I appreciate the safety features, including spark-proof technology and reverse polarity protection, which give me peace of mind while operating. Performance-wise, this charger is outstanding. It features advanced charging technology that optimizes the charging process, ensuring my batteries are maintained at peak condition without overcharging. Whether I’m using lead-acid or lithium batteries, it handles them with ease and ensures longevity. Another highlight is its versatility. The GENPRO10X4 is suitable for a variety of applications, and I love how it seamlessly integrates into my boat’s existing electrical system. Additionally, the weatherproof design means I don’t have to worry about harsh marine conditions impacting its functionality.
T**Y
Excellent charger
Easy install and operation. Fast charge
A**H
Awesome charger
Works great. Im running two agm, lithium and regular lead acid.
D**H
It's worth it
I bought a boat that didn't have an on board charger . The previous owner had been laughing out three different chargers and hooking them up with gator clips every time the put it up . I thought this charger was pretty high prices but since I'm most likely going to upgrade to lithium batteries when one wears out I thought I might as well bite the bullet and invest in the future . I was amazed that the packaging was really nice . It looked great . But more importantly it was very secure and protective of the product inside . It was a bit heavy for an old guy lol . But we got it in . I also bought a receptive from the same company . So I have a really nice waterproof receptical that when I back my boat in the garage , I can just grab my cord and plag it in . One plug and my batteries are charging . No worries about over or undercharging because of the smart technology . No worries about what kind of charger to hook to which battery . It does all the work . I know it's hard to put out that hard earned money . But I'd recommend this charger to anybody who's looking . I open one compartment , peek in and the lights tell my everything is in track .
M**.
Quality
Awesome product. Quality charger
A**M
Gives your battery more life
Smart solution
B**Y
Good purchase
Would but again. Have agm and lithium battery on charger.
J**.
Make sure your charger is actually new and not a used return
Product works well. Not pleased with being shipped a used charger when I paid for new. Came in box with only the item and nothing else. No manual or packing material. Box was dented up.
C**N
Lo compre nuevamente por su excelente desempeño
D**L
Pas d’inquiétude avec cette achat. Très performant
J**.
Decepcionante. Este cargador de 12 V tiene 4 salidas. Una o dos veces al día tengo que reiniciar una o dos salidas, o desconectar y volver a conectar el cargador. Se quedan inutilizables y no cargan las baterías. A veces, el estado indica un error. Otras veces, simplemente indica que las baterías están cargadas cuando no es así. Se dice que se puede dejar activado el modo de carga de las baterías y que mantendrá la carga. No lo hace sin intervención manual diaria.
E**N
The charger is small enough but powerful enough to charge all four batteries. 4 of my buddies have bought the same charger. Charges fast. Cables are long enough to run to the bow of the boat.
A**R
Excelent product a little expensive but very trustable is on a commercial boat and works very well
Trustpilot
1 day ago
5 days ago