How to charge two-battery connected series

Each 12-volt battery must be connected to its own charging bank. The batteries can remain wired in series.

Will this work on a single 24 volt battery: chins 24v 200ah lifepo4 battery, built-in 200a bms?

The GENPRO10X2 is designed for charging 12V per bank, it can be used to charge two 12V batteries wired together in series for 24V, but would not be capable of charging a single 24V battery.

how many 110volt amps does this pull?

The GENPRO10X2 draws a max of 2.5-amps at 120VAC.

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GENPRO10X2 12V 20A 2-Bank OnBoard Marine Battery Charger & Maintainer

Product ID: 271332823

Details

Brand
NOCO
Color
Black
Output Voltage
12 volts
Product Dimensions
10.28"D x x
Specification Met
CEC FCC UL

⚡20A total output power

💧IP68 waterproof rating

🔋Dual independent 12V charging banks

1791.73 DT

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Description

⚓ Charge smarter, sail farther — the ultimate onboard power partner!

THERMAL SENSING TECH - Adaptive charging adjusts to ambient temperature, maximizing battery life and performance.
WEATHERPROOF WARRIOR - Fully sealed IP68-rated design thrives underwater and in the harshest marine environments.
POWER PACKED PRECISION - Delivers 20 amps total with 10 amps per bank for simultaneous dual battery charging.
SMART MULTI CHEMISTRY MODES - Select from 12V, AGM, Lithium, or Repair Mode tailored to your battery type and condition.
VERSATILE MOUNTING VIBRATION ISOLATION - Install securely in any orientation with anti-vibration backing for silent, shock-free operation.

The NOCO GENPRO10X2 is a compact, rugged 2-bank marine battery charger delivering 20 amps total (10A per bank) with selectable modes for lead-acid and lithium batteries. Engineered for extreme marine conditions, it features IP68 waterproofing, thermal sensing for optimal charging, and Force Mode to revive dead batteries. Its versatile mounting system with anti-vibration backing ensures secure, quiet installation. Backed by a 3-year warranty and designed in the USA, it’s the professional’s choice for reliable onboard battery maintenance.

Specifications

ASIN	B08G3LLZ3D
Amperage	20 A
Battery Charge Time	1 hours
Best Sellers Rank	#7,766 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #3 in Boat Battery Chargers
Brand	NOCO
Built-In Media	(2) Black Truss-Head Screws, GENPRO10X2 20A 2-Bank Smart Waterproof Onboard Marine Battery Charger and Battery Maintainer (120-240VAC), Onboard Marine Battery Charger User Guide
Color	Black
Connector Type Used on Cable	Standard AC and DC power connectors
Current Rating	20 A
Customer Reviews	4.7 out of 5 stars 1,638 Reviews
Global Trade Identification Number	00046221190489
Input Voltage	120 volts
Item Dimensions D x W x H	10.28"D x 9.25"W x 6.06"H
Item Highlight	Charges 2 Batteries at Once, IP68 Waterproof, Overcharge Protection, Temperature Compensation, For Lead-Acid & Lithium
Item Type Name	NOCO Genius GENPRO10X2, 2-Bank, 20A (10A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle Batteries
Manufacturer	NOCO
Mfr Part Number	GENPRO10X2
Model Number	GENPRO10X2
Number of Items	1
Number of Ports	2
Output Voltage	12 volts
Product Dimensions	10.28"D x 9.25"W x 6.06"H
Specification Met	CEC, FCC, UL
UPC	046221190489
Unit Count	1 Count
Warranty Description	3-Year Limited

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1791.73 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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The product quality is outstanding. Exactly what I needed for my work.

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