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NOCO GENIUS2D 2A 12V Smart Onboard Battery Charger and Maintainer

£45.21 (as of 01/11/2026 20:22 GMT - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The NOCO GENIUS2D is a 2A 12V smart onboard battery charger and maintainer for lead-acid batteries, with direct-mount installation and temperature compensation. It supports AGM, EFB, Gel, SLA, VRLA and Start-Stop batteries, and includes a 24-inch AC cable, 24-inch DC cable with eyelet terminals, mounting bracket and screws.

SKU: B08FCV1Q2Y Category:

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Not sure yet?Trolling Motor Batteries Buyer GuideRead what to compare before you choose

Quick Summary

The NOCO GENIUS2D is a 2A 12V smart onboard battery charger and maintainer for lead-acid batteries. It is described as a direct-mount unit with automatic charging and maintenance, plus desulfation and temperature compensation.

The product is aimed at 12V lead-acid battery use, including AGM, EFB, Gel, SLA, VRLA and Start-Stop batteries, as well as flooded, maintenance-free, deep-cycle, marine and RV batteries.

Key Details

Detail Verified information and buyer relevance
Brand NOCO. Useful for confirming the exact model family.
Model GENIUS2D. Check this against the charger you need.
Product type 2A 12V smart onboard battery charger and maintainer.
Battery type Lead-acid batteries, including AGM, EFB, Gel, SLA, VRLA and Start-Stop.
Mounting style Direct-mount design with a snap-fit mounting bracket.
Temperature compensation Integrated thermal sensor adjusts charging based on ambient temperature.
Included items 2A onboard charger, 24-inch AC cable, 24-inch DC cable with eyelet terminals, mounting bracket and screws.

What to Compare Before Buying

  • Battery type: This model is for 12V lead-acid batteries. Check that your battery matches the supported battery categories listed here.
  • Mounting arrangement: It is a direct-mount charger, so confirm that your installation space suits a fixed onboard setup near the battery.
  • Connection length: The included AC and DC cables are 24 inches each. Compare that with the distance between the mounting position and your power source or battery terminals.
  • Charging needs: The charger is rated at 2A. Compare that output with the charging approach you want for the battery you plan to maintain.

What Is Included

The box includes the 2A onboard charger, a 24-inch AC cable, a 24-inch DC cable with eyelet terminals, a mounting bracket and screws.

Before You Decide

Check that the battery is 12V lead-acid and that the direct-mount format suits your installation space. Also confirm the cable lengths and included fittings match the setup you want before choosing an offer.

Brand

NOCO

Manufacturer

NOCO

Binding

Electronics

Product Group

Automotive Parts and Accessories

EAN

0046221180152, 1210000618153

UPC

046221180152

Part Number

GENIUS2DUK

Model

GENIUS2DUK

Color

Black

Product Dimensions

6 x 4 x 3 inches

Item Weight

0.73 Pounds

Release Date

January 27, 2021

Size

2A

Number Of Items

1

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