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

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

All-in-One Onboard Charging Solution

The NOCO GENIUS2D is a compact, direct-mount smart battery charger designed for convenient under-the-hood installation. It combines multiple functions into one powerful unit—battery charger, battery maintainer, trickle charger, and desulfator—making it a complete onboard charging solution for long-term battery care and reliable performance.

Compatible with a Wide Range of 12V Batteries

Engineered for 12-volt lead-acid batteries, the GENIUS2D supports AGM, Gel, SLA, and VRLA battery types. It is suitable for flooded, maintenance-free, deep-cycle, marine, and RV batteries, making it ideal for cars, trucks, boats, RVs, and power equipment used across the United States.

Easy Direct-Mount Installation

Designed for permanent installation, the GENIUS2D mounts securely near the battery using a durable snap-fit mounting bracket. Installation is quick and hassle-free with included truss-head self-tapping screws, allowing it to be mounted on most flat surfaces for a clean, professional onboard setup.

Precision Charging with Temperature Compensation

An integrated thermal sensor automatically adjusts charging output based on ambient temperature. This ensures the battery is never overcharged in hot climates or undercharged in cold conditions—providing safe, efficient, and precise charging year-round, whether in summer heat or winter cold.

Recover Deeply Discharged Batteries

The GENIUS2D can charge batteries from as low as 1 volt, and with Force Mode, it can manually revive completely dead batteries down to zero volts. This makes it ideal for recovering deeply discharged or neglected batteries that traditional chargers may not recognize.

Safe, Worry-Free Battery Maintenance

Designed for long-term use, this smart charger continuously monitors battery health and automatically switches to maintenance mode once fully charged. It can remain connected indefinitely without risk of overcharging, making it perfect for seasonal vehicles, stored equipment, and backup power systems.

Restore Battery Performance & Extend Lifespan

Using precision pulse charging, the GENIUS2D automatically detects and helps reverse battery sulfation and acid stratification. This advanced technology restores battery performance, improves reliability, and extends overall battery life.

What’s Included

• NOCO GENIUS2D 2A Onboard Battery Charger

• 24-inch AC cable

• 24-inch DC cable with eyelet terminals

• Snap-fit mounting bracket

• Mounting screws

• 3-Year Limited Warranty

• Proudly Designed in the USA

Technical Specifications

• Brand: NOCO

• Model: GENIUS2D

• Output: 2 Amps

• Voltage: 12 Volts

• Battery Type: Lead-Acid (AGM, Gel, SLA, VRLA)

• Color: Black

• Product Dimensions: 3.47″ D × 3.43″ W × 6.5″ H

• Item Weight: 0.73 lbs