The GENIUS2D is water resistant with a rating of IP65.

Does charger retain setting if power is lost then restored

First I’m not sure. But I’m 99% sure the loss of power has no effect at all. I base this on the fact that there’s no on or off button on the unit.(no settings) It only works or doesn’t work if it’s plugged in or unplugged. So my answer is their are no settings. So if you have power it works if you don’t it doesn’t. There is a cool feature it monitors it’s invioronent if it’s to hot it will not turn on.

will this work for motorcycle batteries?

Yes; it works for my motorcycle, and the device is tiny enough to hide in a saddlebag.

My battery is in the trunk,,can I connect it to the jump points under the hood instead of directly to the battery in the trunk?

Battery is in the trunk. That must be an European vehicle. Anyway, as long as you can securely tie the red and black eye hook of the charger to the jump points under the hood. I have two cars with battery in the trunk. What I did was one of vehicle I connect the NOCO charger 5-AMP, NOCO GENIUS GEN5X1 directly to the battery and on the other vehicle I use a portable NOCO 10-AMP, NOCO GENIUS10 charger to the jump points under the hood. Good luck

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NOCO GENIUS2D: 2A 12V Smart Onboard Battery Charger - Direct-Mount Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid Batteries

Product ID: 168179439

Details

Brand
NOCO
Color
Black
Item Weight
0.73 Pounds
Output Voltage
12 Volts
Product Dimensions
3.47"D x x

⚡2A smart charging power

🌡️Temp-compensated precision charging

🛠️Direct-mount snap-fit bracket

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£44.55

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Description

🔋 Genius-level battery care, always ready when you are.

DIRECT MOUNT DESIGN - Secure, hassle-free installation under the hood with durable snap-fit bracket and self-tapping screws.
TEMPERATURE ADAPTIVE - Integrated thermal sensor adjusts charging to prevent overcharge or undercharge in any climate.
REVIVES DEAD BATTERIES - Force Mode charges batteries down to zero volts, restoring even deeply discharged cells.
SMART 2 A CHARGING POWER - Effortlessly charges and maintains 12V lead-acid batteries up to 40Ah with precision.
MAINTENANCE FREE PEACE OF MIND - Leave connected indefinitely with automatic desulfation and overcharge protection for extended battery life.

The NOCO GENIUS2D is a compact, direct-mount 2A smart charger designed for 12V lead-acid batteries including AGM, gel, SLA, and flooded types. It features temperature-compensated charging, Force Mode for dead batteries, and automatic desulfation to restore battery health. With easy under-hood installation and a 3-year warranty, it’s the ultimate plug-and-forget solution for maintaining and extending battery life across cars, trucks, RVs, marine, and more.

Specifications

ASIN	B07W3QSMF9
Amperage	2 Amps
Battery Charge Time	40 Hours
Best Sellers Rank	#591 in Automotive ( See Top 100 in Automotive ) #9 in Battery Chargers
Brand	NOCO
Built-In Media	3-Year Limited Warranty, Battery Charger User Guide, GENIUS2D 2A Direct-Mount Smart Battery Charger and Battery Maintainer With Integrated Eyelet Terminals
Color	Black
Compatible Devices	Cars, Boats, ATVs, RVs, Trucks, SUVs, Lawn Mowers, Tractors and More
Connector Type Used on Cable	eyelet terminals
Current Rating	2 Amps
Customer Reviews	4.6 4.6 out of 5 stars (10,786)
EU Spare Part Availability Duration	3 Years
Global Trade Identification Number	00046221180138
Input Voltage	120 Volts
Item Dimensions D x W x H	3.47"D x 3.43"W x 6.5"H
Item Type Name	NOCO GENIUS2D, 2A Direct-Mount Onboard Car Battery Charger, 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Marine, ATV, Truck and Deep Cycle Batteries
Item Weight	0.73 Pounds
Manufacturer	NOCO
Mfr Part Number	GENIUS2D
Model Number	GENIUS2D
Output Voltage	12 Volts
Specification Met	CEC, FCC, UL
UPC	046221180138
Unit Count	1.0 Count
Warranty Description	3-Year Limited Warranty

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