What is the max battery ahr this will work with, i have 6v deep cycle battery's with 232ahr that need some desulphation.

The GENIUS10 will work with a 6V 232Ah battery.

I have 2 6v batteries connected for 12 volts. Can I use this charger and my solar or must I isolate them?

We do not recommend charging batteries from multiple sources simultaneously.

Recommended max amp hours?

The recommended max amp hour capacity of a battery used with the GENIUS10 is 230Ah.

Would this work on a diesel truck with dual batteries.

I use one of the older NOCO chargers on my diesel truck so this would certainly work. If both my AGM batteries are drained to below 5V I have to actually disconnect them and charge one at a time till the charger reads at least 50%, otherwise after about 4 hours it just goes into an error. That’s why I wanted to go with this one, I can leave both batteries connected when fully dead and put it into “Force Mode”.

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🔌 Genius power, smarter charge — never let your battery hold you back!

BUILT TO LAST SAFE - IP65 water-resistant design with spark-proof and reverse polarity protection ensures worry-free, indefinite maintenance.
SMART THERMAL SENSING - Automatically adjusts charging to ambient temperature, preventing overcharge and optimizing battery health.
POWER PACKED COMPACT - 17% smaller yet delivers 115% more charging power for rapid, efficient battery revival.
ALL IN ONE BATTERY CARE - Functions as charger, maintainer, trickle charger, and desulfator—perfect for every lead-acid and lithium battery type.
ULTIMATE BATTERY RESCUER - Force Mode charges batteries down to zero volts, bringing even dead batteries back to life.

The NOCO GENIUS10 is a compact yet powerful 10-amp smart battery charger designed for 6V and 12V lead-acid and lithium batteries. Featuring advanced temperature compensation, Force Mode for charging dead batteries, and automatic desulfation, it ensures optimal battery performance and longevity. With IP65 protection and multiple safety features, it’s the ultimate all-in-one solution for professional-grade battery maintenance across a wide range of vehicles.

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Manufacturer	NOCO
Brand	NOCO
Model	GENIUS10
Item Weight	3.99 pounds
Product Dimensions	4.48 x 4.41 x 9.1 inches
Country of Origin	China
Item model number	GENIUS10
Batteries	1 Lithium Metal batteries required.
Is Discontinued By Manufacturer	No
Exterior	Machined
Manufacturer Part Number	GENIUS10
Special Features	Battery Charger For Cars, Automotive, 12V and More, Spark-Proof and Reverse Polarity Protection, Force Mode For Manual Battery Charging, Battery Maintainer, Trickle Charger And Battery Desulfator, Temperature Compensation For Accurate Recharging, IP65 Ingress Protection
Amperage	10 Amps

NOCO GENIUS10: 10A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries

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