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  • NOCO Genius GEN5X2: 2-Bank, 10A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries
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NOCO Genius GEN5X2: 2-Bank, 10A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

4.6 out of 5 stars 5,969 ratings
To see product details, add this item to your cart. You can always remove it later.

About this item

  • MEET THE GEN5X2 — 37% smaller and 43% more powerful than the GENM2. It’s our most compact and advanced onboard charger yet—engineered for peak performance in the harshest marine environments.
  • MULTIPLE BANKS — A two-bank onboard battery charger rated at 10 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 — GEN5X2 10A 2-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

GEN5X2, 2-Bank, 10-Amp Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger

GEN5X2

Buying Options

GEN5X1

GEN5X3

Buying Options

GENPRO10X1

GENPRO10X2

GENPRO10X3

GENPRO10X4

Customer Reviews
4.6 out of 5 stars 5,969
4.6 out of 5 stars 2,264
4.5 out of 5 stars 3,204
4.7 out of 5 stars 1,492
4.6 out of 5 stars 1,466
4.6 out of 5 stars 1,418
4.6 out of 5 stars 1,013
Charging Current
10 Amps 5 Amps 15 Amps 10 Amps 20 Amps 30 Amps 40 Amps
Number of Banks
2 1 3 1 2 3 4
Battery Capacity
120Ah x 2 Banks 120Ah 120Ah x 3 Banks 230Ah 230Ah x 2 Banks 230Ah x 3 Banks 230Ah x 4 Banks
Output Power
145W 72W 220W 150W 300W 450W 600W
Waterproof
✔ ✔ ✔ ✔ ✔ ✔ ✔

Product description

The NOCO GEN5X2 is a fully-sealed, waterproof onboard battery charger rated at 10 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 GENM2, making it our most compact and advanced charger yet. Each bank operates independently, allowing you to precisely charge and maintain two 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 GEN5X2 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 GEN5X2 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.

Product information

Technical Details

Manufacturer ‎NOCO
Place of Business ‎NOCO, 30339 Diamond Parkway, #102, Glenwillow, OH 44139 USA
Brand ‎NOCO
Model ‎GEN5X2
Product Dimensions ‎18.29 x 23.24 x 13.69 cm; 2.39 kg
Item model number ‎GEN5X2
Exterior ‎Painted
Manufacturer part number ‎GEN5X2
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
Lift Type ‎12v
Amperage ‎5 Amps
Voltage ‎12 Volts
Item Weight ‎2.39 kg

Additional Information

ASIN B08G3STB1N
Customer Reviews
4.6 out of 5 stars 5,969 ratings

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

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NOCO Genius GEN5X2: 2-Bank, 10A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

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Product Summary: NOCO Genius GEN5X2: 2-Bank, 10A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

From NOCO

4.6 out of 5 stars, 5,969 ratings

Customer reviews

50+ bought in past month

Price

No featured offers available

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About this Item

  • MEET THE GEN5X2 — 37% smaller and 43% more powerful than the GENM2. It’s our most compact and advanced onboard charger yet—engineered for peak performance in the harshest marine environments.
  • MULTIPLE BANKS — A two-bank onboard battery charger rated at 10 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 — GEN5X2 10A 2-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 GEN5X2 is a fully-sealed, waterproof onboard battery charger rated at 10 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 GENM2, making it our most compact and advanced charger yet. Each bank operates independently, allowing you to precisely charge and maintain two 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 GEN5X2 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 GEN5X2 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.
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