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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 GENPRO10X4: 4-Bank, 40A 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 GENPRO10X4: 4-Bank, 40A 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 (1,030)
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About this item

  • MEET THE GENPRO10X4 — 10% smaller and 33% more powerful than the GEN4. It’s our most compact and advanced onboard charger yet - engineered for peak performance in the harshest marine environments.
  • MULTIPLE BANKS — A four-bank onboard battery charger rated at 40 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 — GENPRO10X4 40A 4-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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Product details

  • Batteries ‏ : ‎ 4 12V batteries required.
  • Product Dimensions ‏ : ‎ 7.11 x 28.96 x 23.11 cm; 7.7 kg
  • Manufacturer ‏ : ‎ NOCO
  • ASIN ‏ : ‎ B08G38VWQ6
  • Item model number ‏ : ‎ GENPRO10X4
  • Country of origin ‏ : ‎ China
  • Department ‏ : ‎ Unisex-Adult
  • Customer Reviews:
    4.6 out of 5 stars (1,030)

From the manufacturer

NOCO Genius GENPRO10X4, 4-Bank, 40A, Smart Marine Charger, 12V Onboard Battery Charger, Maintainer

GENPRO10X4

GEN5X1

GEN5X2

GEN5X3

GENPRO10X1

GENPRO10X2

GENPRO10X3

Customer Reviews
4.6 out of 5 stars 1,030
4.7 out of 5 stars 2,324
4.6 out of 5 stars 6,095
4.5 out of 5 stars 3,240
4.6 out of 5 stars 1,513
4.6 out of 5 stars 1,490
4.6 out of 5 stars 1,445
Charging Current
40 Amps 5 Amps 10 Amps 15 Amps 10 Amps 20 Amps 30 Amps
Number of Banks
4 1 2 3 1 2 3
Battery Capacity
230Ah x 4 Banks 120Ah 120Ah X 2 Banks 120Ah X 3 Banks 230Ah 230Ah x 2 Banks 230Ah x 3 Banks
Output Power
600W 72W 145W 220W 150W 300W 450W
Waterproof
✔ ✔ ✔ ✔ ✔ ✔ ✔

Product information

Technical Details

Manufacturer ‎NOCO
Place of Business ‎SOLON, OH, 44139 US
Brand ‎NOCO
Model ‎GENPRO10X4
Product Dimensions ‎7.11 x 28.96 x 23.11 cm; 7.7 kg
Item model number ‎GENPRO10X4
Batteries ‎4 12V batteries required.
Manufacturer part number ‎GENPRO10X4
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
Amperage ‎40 Amps
Voltage ‎12 Volts
Item Weight ‎7.7 kg
Country of origin ‎China

Additional Information

ASIN B08G38VWQ6
Customer Reviews
4.6 out of 5 stars (1,030)

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

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NOCO Genius GENPRO10X4: 4-Bank, 40A 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 description

The NOCO GENPRO10X4 is a high-performance, fully-sealed onboard battery charger rated at 40 amps total—10 amps per bank—built to simultaneously charge and maintain up to four 12-volt batteries. Compatible with all types of lead-acid and lithium-ion batteries—including flooded, AGM, gel, and LiFePO₄—the GENPRO10X4 delivers 19% more power in a housing that’s 27% smaller than the previous-generation GEN4. Each of the four banks functions independently, giving you the flexibility to charge different battery types, chemistries, or states of charge at the same time. With selectable charging modes for 12V, AGM, Lithium, and Repair, the GENPRO10X4 ensures optimal battery care and performance across a wide range of applications. An integrated thermal sensor dynamically adjusts the charging profile based on temperature to prevent undercharging in the cold or overcharging in hot climates. For heavily discharged batteries, Force Mode provides manual charging capability down to zero volts—critical for reviving batteries other chargers can’t detect. Built to withstand the toughest marine conditions, the GENPRO10X4 is IP68-rated for waterproofing and has passed rigorous life cycle testing, including thousands of hours of submersion. Its compact footprint and advanced mounting system make installation fast and secure in any position—even upside down—while an integrated anti-vibration backing minimizes shock and noise. Included in the box are 72-inch DC cables with 3/8-inch eyelets, a 72-inch Type-B AC cable, two mounting screws, and a user guide. The GENPRO10X4 is backed by a 3-year warranty, engineered in the USA, and certified to UL1236, ISO 8846, and 33 CFR 183.410 for marine ignition protection and safety compliance.

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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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Top Brand: NOCO

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Product Summary: NOCO Genius GENPRO10X4: 4-Bank, 40A 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, 1,030 ratings

Customer reviews

50+ viewed in past week

Price

No featured offers available

Other sellers

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About this Item

  • MEET THE GENPRO10X4 — 10% smaller and 33% more powerful than the GEN4. It’s our most compact and advanced onboard charger yet - engineered for peak performance in the harshest marine environments.
  • MULTIPLE BANKS — A four-bank onboard battery charger rated at 40 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 — GENPRO10X4 40A 4-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 GENPRO10X4 is a high-performance, fully-sealed onboard battery charger rated at 40 amps total—10 amps per bank—built to simultaneously charge and maintain up to four 12-volt batteries. Compatible with all types of lead-acid and lithium-ion batteries—including flooded, AGM, gel, and LiFePO₄—the GENPRO10X4 delivers 19% more power in a housing that’s 27% smaller than the previous-generation GEN4. Each of the four banks functions independently, giving you the flexibility to charge different battery types, chemistries, or states of charge at the same time. With selectable charging modes for 12V, AGM, Lithium, and Repair, the GENPRO10X4 ensures optimal battery care and performance across a wide range of applications. An integrated thermal sensor dynamically adjusts the charging profile based on temperature to prevent undercharging in the cold or overcharging in hot climates. For heavily discharged batteries, Force Mode provides manual charging capability down to zero volts—critical for reviving batteries other chargers can’t detect. Built to withstand the toughest marine conditions, the GENPRO10X4 is IP68-rated for waterproofing and has passed rigorous life cycle testing, including thousands of hours of submersion. Its compact footprint and advanced mounting system make installation fast and secure in any position—even upside down—while an integrated anti-vibration backing minimizes shock and noise. Included in the box are 72-inch DC cables with 3/8-inch eyelets, a 72-inch Type-B AC cable, two mounting screws, and a user guide. The GENPRO10X4 is backed by a 3-year warranty, engineered in the USA, and certified to UL1236, ISO 8846, and 33 CFR 183.410 for marine ignition protection and safety compliance.
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