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  • VIDEO
NOCO Genius GENPRO10X3, 3-Bank, 30-Amp (10-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12...Merchant Video
  • NOCO Genius GENPRO10X3: 3-Bank, 30A Onboard Battery Charger - 10A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries
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NOCO Genius GENPRO10X3: 3-Bank, 30A Onboard Battery Charger - 10A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

4.6 out of 5 stars 1,421 ratings
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About this item

  • MEET THE GENPRO10X3 — 27% smaller and 33% more powerful than the GEN3. 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 30 amps total - 10 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 — GENPRO10X3 30A 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.

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  10. Established in 1914, NOCO designs and creates premium consumer battery chargers, jump starters, lithium batteries, and a wide range of accessories. Through these world-class offerings, we have effectively set a new standard in design, performance, and safety. We aim to make exceptional products that provide consumers with the ultimate experience. We challenge conventionality and remain vigilant to the highest quality standards. We are NOCO.

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From the manufacturer

NOCO Genius GENPRO10X3, 3-Bank, 30A, Smart Marine Charger, 12V Onboard Battery Charger, Maintainer

GENPRO10X3

GEN5X1

GEN5X2

GEN5X3

GENPRO10X1

GENPRO10X2

GENPRO10X4

Customer Reviews
4.6 out of 5 stars 1,421
4.6 out of 5 stars 2,264
4.6 out of 5 stars 5,974
4.5 out of 5 stars 3,206
4.7 out of 5 stars 1,494
4.6 out of 5 stars 1,467
4.6 out of 5 stars 1,015
Charging Current
30 Amps 5 Amps 10 Amps 15 Amps 10 Amps 20 Amps 40 Amps
Number of Banks
3 1 2 3 1 2 4
Battery Capacity
230Ah x 3 Banks 120Ah 120Ah X 2 Banks 120Ah X 3 Banks 230Ah 230Ah x 2 Banks 230Ah x 4 Banks
Output Power
450W 72W 145W 220W 150W 300W 600W
Waterproof
✔ ✔ ✔ ✔ ✔ ✔ ✔

Product description

The NOCO GENPRO10X3 is a fully-sealed, waterproof onboard battery charger rated at 30 amps total—10 amps per bank—designed to independently charge and maintain up to three 12-volt batteries. Optimized for lead-acid and lithium-ion batteries, including flooded, AGM, gel, and LiFePO₄ chemistries, it’s 27% smaller and 19% more powerful than the previous-generation GEN3, delivering best-in-class performance in a compact, rugged housing. Each of the three banks operates independently, allowing you to charge multiple battery types or states simultaneously, with selectable charging modes including 12V, AGM, Lithium, and Repair Mode. An integrated thermal sensor constantly monitors ambient temperature and adjusts the charging profile to prevent overcharging in heat or undercharging in cold—ensuring maximum battery life and performance. For batteries discharged below 1 volt, Force Mode enables manual charging down to zero volts, giving you the ability to recover deeply neglected batteries that traditional chargers cannot detect. Engineered for harsh marine and outdoor environments, the GENPRO10X3 features an IP68 waterproof rating and has undergone extensive life cycle testing under submerged conditions. A redesigned mounting system enables quick, secure installation in any orientation—even upside down—and includes an anti-vibration backing to reduce shock and noise. The GENPRO10X3 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 is backed by a 3-year warranty, engineered in the USA, and certified to UL1236, ISO 8846, and 33 CFR 183.410 for ignition protection and marine compliance.

Product information

Technical Details

Manufacturer ‎NOCO
Place of Business ‎NOCO, 30339 Diamond Parkway, #102, Glenwillow, OH 44139 USA
Brand ‎NOCO
Model ‎GENPRO10X3
Product Dimensions ‎7.19 x 26.7 x 20.6 cm; 6.09 kg
Item model number ‎GENPRO10X3
Exterior ‎Painted
Manufacturer part number ‎GENPRO10X3
Special features ‎Force Mode For Manual Battery Charging, Onboard Battery Maintainer, Trickle Charger And Battery Desulfator, Onboard Marine Battery Charger For Boats And More, Spark-Proof And Reverse Polarity Protection, Temperature Compensation For Accurate Recharging, Waterproof IP68 Ingress Protection
Voltage ‎12 Volts
Item Weight ‎6.09 kg
Country of origin ‎China

Additional Information

ASIN B08G3DLYX8
Customer Reviews
4.6 out of 5 stars 1,421 ratings

4.6 out of 5 stars
鶹 Rank
Date First Available Aug. 18 2020

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NOCO Genius GENPRO10X3: 3-Bank, 30A Onboard Battery Charger - 10A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

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Product Summary: NOCO Genius GENPRO10X3: 3-Bank, 30A Onboard Battery Charger - 10A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

From NOCO

4.6 out of 5 stars, 1,421 ratings

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About this Item

  • MEET THE GENPRO10X3 — 27% smaller and 33% more powerful than the GEN3. 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 30 amps total - 10 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 — GENPRO10X3 30A 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.

Product description

The NOCO GENPRO10X3 is a fully-sealed, waterproof onboard battery charger rated at 30 amps total—10 amps per bank—designed to independently charge and maintain up to three 12-volt batteries. Optimized for lead-acid and lithium-ion batteries, including flooded, AGM, gel, and LiFePO₄ chemistries, it’s 27% smaller and 19% more powerful than the previous-generation GEN3, delivering best-in-class performance in a compact, rugged housing. Each of the three banks operates independently, allowing you to charge multiple battery types or states simultaneously, with selectable charging modes including 12V, AGM, Lithium, and Repair Mode. An integrated thermal sensor constantly monitors ambient temperature and adjusts the charging profile to prevent overcharging in heat or undercharging in cold—ensuring maximum battery life and performance. For batteries discharged below 1 volt, Force Mode enables manual charging down to zero volts, giving you the ability to recover deeply neglected batteries that traditional chargers cannot detect. Engineered for harsh marine and outdoor environments, the GENPRO10X3 features an IP68 waterproof rating and has undergone extensive life cycle testing under submerged conditions. A redesigned mounting system enables quick, secure installation in any orientation—even upside down—and includes an anti-vibration backing to reduce shock and noise. The GENPRO10X3 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 is backed by a 3-year warranty, engineered in the USA, and certified to UL1236, ISO 8846, and 33 CFR 183.410 for ignition protection and marine compliance.

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