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NOCO Genius 12v 24v 20 Amp 2-Bank Waterproof Marine On-Board Battery Charger

Was: $249.95
Sale Price: $199.95
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Product InformationStore Part Number: GENPRO10X2


Replaces: NOCO GEN2

The NOCO Genius GENPRO10x2 is a 12v 20 Amp 2-bank waterproof on-board marine battery charger and battery maintainer. This newly redesigned charger is 19% smaller than the NOCO GEN2 but still delivers 20-amps of charging current and offers several new features!

The charger is fully sealed with an IP68 rating which makes it a 100% waterproof. Even with the charger being completely sealed it features a new integrated thermal sensor offering thermal compensation down to -4°F and up to 104°F. With the chargers Advanced Diagnostics, it makes it completely automatic for year-round charging and no need to worry about undercharging or overcharging batteries.

The NOCO GENPRO10X2 has two 12 volts outputs meant for individual 12v batteries or battery banks that are no larger than 230AH per bank. The charger can be used to charge two 12v banks or one 24v battery bank using 12v batteries.

The NOCO GENPRO series chargers offer several charging modes to meet your needs! Each bank is individually controlled allowing you to select the appropriate battery type for each individual bank. The charger features the following charging modes:

  • 12v Mode: Meant for charging Wet Cell, Enhanced Flooded, Maintenance-Free and Calcium Batteries.
  • 12v AGM Mode: Meant for 12v AGM Batteries.
  • 12v Lithium mode: Meant for 12v Lithium-Ion batteries including LifePo4 batteries. For use on batteries that have a Battery Management System (often referred to as a BMS).
  • 12v Repair Mode: An advanced battery recovery mode to repair old, idle, or stratified batteries.
  • Force Mode: This mode will attempt to recover a battery lower than 1v. Charger will force output for five minutes to raise the battery voltage so that it can charge the battery normally.

Typical installation is to maintain a 12v trolling motor battery and a 12v starting battery. Another popular installation is to maintain a 24-volt series system using two 12v batteries for a trolling motor.


  • Compatible with Wet Cell, Gel Cell, AGM, Lithium with BMS, Enhanced Flooded, Maintenance-Free and Calcium Batteries.
  • 100% completely sealed and waterproof design rated at IP68.
  • Spark-Proof Hookup
  • Reverse Polarity Protected
  • Charge Batteries down to 0v with Force Mode.
  • Repair Mode - Attempts to repair old, idle, and stratified batteries.
  • Battery Charge Level Indicator
  • 3-Year Warranty


To get the longest life out of your battery charger recommends only using this charger on a group 31 battery approximately 130 AH or smaller for everyday use per bank. The charger is capable of charging battery pack up to 230 AH per bank for maintenance purposes but not recommended for daily charging needs.

The charger will not charge a single 24v battery. The charger is only capable of outputting 12v per bank.

Tech Specs

  • Dimensions (LxWxH): 8.1 x 5.8 x 2.9 in
  • Weight: 8.74 lb
  • Shipping Weight: 11 lb
  • AC Input Range: 120-240 VAC
  • AC Input Volts Freq.: 50-60 Hz
  • Maximum AC Input Current: 335 Watts
  • DC Output System Voltage: 12v & 24v
  • Model: GENPRO Series
  • Manufacturer: NOCO
  • DC Output Per Bank: 12v
  • DC Output Amps: 20 A
  • DC Output Amps Per Bank: 10A
  • Charging Voltage: Various
  • Back Current Drain: < 0.5 mA
  • Working Temperature: 0° to 50° C
  • Warranty: 3 Year
  • Manufacturer Part #: GENPRO10X2
  • UPC: 046221190489
  • Made In: Vietnam

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Order Line: 1-800-362-5397
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