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Noco 12V 2A Direct-Mount Battery Charger And Maintainer

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Noco 2 Amp Direct-Mount Battery Charger and Maintainer

Introducing the GENIUS2D, one of our most powerful, highest-performing, energy-efficient, and compact chargers yet. The GENIUS2D is a 2-amp direct-mount battery charger and battery maintainer engineered to be securely mounted nearby the battery. Its designed for all types of 12-volt lead-acid batteries, including flooded, gel, AGM and other maintenance-free batteries.

  • All-new next-generation battery charger - now smaller, lighter, and with improved features to increase battery life.
  • Designed for 12-volt lead-acid batteries, including most flooded, gel, AGM, and maintenance-free, as well as automotive, marine, RV, and deep-cycle batteries.
  • The perfect battery maintainer for daily battery maintenance or long-term storage of cars, boats, trucks, RVs, and equipment, plus suitable for charging ATVs, wave runners, lawn mowers, and more.
  • Engineered to be securely mounted nearby the battery with its rugged snap-fit mounting bracket and effortlessly installs into most materials with truss-head self-tapping screws.
  • Integrated thermal sensor to maximize battery life and automatically compensates charging for both cold and hot environments.
  • Enjoy countless hours of safe charging without any risk of overcharging your batteries, plus additional safety like spark-proof connections, and reverse polarity protection.
  • Includes a 2-amp direct-mount battery charger and battery maintainer with a 24-inch Type-A A/C cable and 24-inch D/C cable with eyelets, plus a mounting bracket, self-tapping truss-head screws, and user guide, plus a 3-year hassle-free warranty.


  • Engineered and tested to withstand rugged working environments, like high-heat engine compartments, shock, vibration, and even water exposure. The GENIUS2D is the ultimate mountable on-board battery charger and battery maintainer for any car, boat, truck, RV, or equipment, and is designed to be located in close proximity to the battery.
  • Introducing the next-generation of battery charging with the all-new maximum power density technology. This smart charger has insanely high performance and it is designed to be the most compact, lightweight and energy efficient charger on the market. Using advanced power conversion topologies as its foundation, the Genius 2D has significantly increased the power-to-space ratio utilizing power magnetics, consolidated components, and innovative thermal management techniques.
  • Finally a charger from start to finish that’s completely automatic. No special modes, no technical knowledge required. Genius will safely charge any battery. Detect damaged batteries and intuitively repair them. And actively monitor for long-term battery maintenance and extend battery life. This system allows for continuous operation without user intervention, and zero risk of overcharging your battery.
  • The GENIUS2D now features an integrated thermal sensor that automatically monitors and adjusts the charging cycle based on fluctuations of ambient temperature, enabling it to provide more precision charging in both hot and cold climates. Not only does it increase charge performance, but it extends battery life by limiting the impact of under-charging/over-charging caused by temperature changes. So now when you are charging in cold temperatures, the charging rates increase, and when in hotter temperatures, the rates will decrease. The result, better, more accurate, fully-charged batteries.

Technical Specifications

What's In The Box

  • GENIUS2D Battery Charger and Maintainer

  • Mounting Bracket with Strap
  • Self-Tapping Screws
  • User Guide

Operating Requirements

Line Voltage: 100V to 240V AC
Frequency: 50Hz to 60Hz
Operating Temperature: -4° to 104° F (-20° to 40° C)
Storage Temperature: -22° to 140° F (-30° to 60° C)
Relative Humidity: 0 to 95% Non-Condensing


Current: 2 Amps DC
Voltages: 12V DC
Chemistry: Lead-Acid
Types: Wet Cell (Flooded), Gel Cell, Calcium, AGM, Enhanced Flooded Battery or any other Maintenance-Free Battery
Capacity Range: Up to 40 Amp-Hours
Maintenance: All Battery Sizes


Consumption: 28 Watts (Max)
Efficiency: 87%


Short-Circuit: Yes
Open-Circuit: Yes
Overheating: Yes
Overcharge: Yes
Spark-Proof: Yes
Reverse Polarity: Yes

Size and Weight

Height: 3.00 Inches (76.2 mm)
Width: 3.50 Inches (89.0 mm)
Depth: 1.60 Inches (40.6 mm)
Weight: 0.50 lbs (0.23 kg)

Cord Management

DC Cable Length: 24 Inches (609mm)
DC Cable Size: 18 AWG
DC Fuse Size: 4 Amp MINI ® Blade Fuse
AC Cable Length: 24 Inches (609mm)
AC Cable Size: 18 AWG

IP Rating


Limited Warranty

3-Year Limited Warranty

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