Can this be powered with a Modified Sine Wave inverter ?

Trust the manufacturer on this question. I am using one of these right now with an old Trace SW2512 inverter. Works like a champ!

If power goes out while charging, will it automatically start charging when power is restored

It should automatically start charging. It remembers the last setting you had it on the last time it was charging.

What's the difference between the noco genius gen5x1 (this product) and the noco genius5 charger? how should i choose between them?

The GEN5X1 is an onboard battery charger/maintainer model for 12V batteries that connects to the battery via eyelets. The GENIUS5 is a multi-purpose battery charger/maintainer model for 12V and 6V batteries that comes with a clamp and integrated eyelet combo cable.

Do i have to turn this charger on everytime its plugged in or will it charge when it's plugged in?

When plugged-in, the charger is in Standby Mode. Use the Mode Button to select the appropriate mode to begin charging. After each consecutive use, the charger remembers the last selected charge mode.

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NOCO Genius GEN5X1: 1-Bank, 5A Onboard Battery Charger - 5A Per Bank, 12V Waterproof Marine Charger with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

Product ID: 259481160

Details

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

⚡5A high-efficiency charging

💧IP68 waterproof rating

🌡️Thermal sensor for temp compensation

$201.01

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Description

⚡ Charge smarter, sail farther — the GEN5X1 keeps your power ready for every adventure.

COMPACT POWERHOUSE - 37% smaller yet 43% more powerful than its predecessor—fits anywhere, powers everything.
REVIVE DEAD BATTERIES - Force Mode jumpstarts batteries down to zero volts—rescue neglected power sources others give up on.
EFFORTLESS INSTALLATION - Innovative anti-vibration mounting system installs securely in any orientation—even upside down.
MARINE GRADE DURABILITY - Fully sealed IP68 waterproof design built to survive thousands of hours underwater and harsh marine conditions.
SMART MULTI MODE CHARGING - Select from 12V, AGM, Lithium, or Repair modes to optimize battery health and longevity.

The NOCO Genius GEN5X1 is a compact, 5-amp onboard battery charger engineered for 12V lead-acid and lithium batteries. Featuring IP68 waterproofing, thermal temperature compensation, and selectable charging modes, it ensures precise, safe charging in the toughest marine environments. With Force Mode to revive dead batteries and a versatile mounting system, it’s the ultimate smart charger for boaters demanding reliability and performance backed by a 3-year warranty.

Specifications

ASIN	B08G3NVR1N
Amperage	5
Battery Charge Time	1 Hours
Best Sellers Rank	#4,427 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Boat Battery Chargers
Brand	NOCO
Built-In Media	(2) Black Truss-Head Screws, GEN5X1 5A 1-Bank Smart Waterproof Onboard Marine Battery Charger and Battery Maintainer (120-240VAC), Onboard Marine Battery Charger User Guide
Color	Black
Compatible Devices	12-volt lead-acid and lithium-ion batteries (flooded, AGM, gel, LiFePO₄)
Connector Type Used on Cable	Standard DC and AC power connectors
Current Rating	5 Amps
Customer Reviews	4.7 out of 5 stars 2,572 Reviews
EU Spare Part Availability Duration	3 Years
Global Trade Identification Number	00046221190441
Input Voltage	120 Volts
Item Dimensions D x W x H	7.22"D x 5.16"W x 5.16"H
Item Type Name	NOCO Genius GEN5X1, 1-Bank, 5A (5A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle Batteries
Item Weight	2.5 Pounds
Manufacturer	NOCO
Mfr Part Number	GEN5X1
Model Number	GEN5X1
Number of Ports	1
Output Voltage	12 Volts
Product Dimensions	7.22"D x 5.16"W x 5.16"H
UPC	046221190441
Unit Count	1.0 Count
Warranty Description	3-Year Limited

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$201.01

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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