Can this charge 80ah (Amp Hours or Capacity) batteries?

Yes, but it will be an extended charge time if the battery is completely dead. For example, the GENIUS2X4 would take roughly 30-hours to recharge a dead 80 amp-hour battery. For comparison, the GENIUS5 would be 12-hours and the GENIUS10 would be 6-hours.

Can it charge 7ah battery ?

I would say yes, i charge 3 x 12v motorcycles each between 12ah and 14ah and 1x 6v

Can this charge a 100Ah and a 100Ah 12v batteries ? . If the answer is yes , can they be charged at the same time or do they need to be changed sepa

Yes, the GENIUS2X4 can charge two 12V 100 Ah batteries at the same time.

Can this charge a electric skateboard I need something to trickle charge?

It depends on the voltage and type of the battery pack in the skateboard. This charger can charge 6v and 12v lead acid, 12v agm and 12v lithium battery's. If its not one of those the using it will be dangerous

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Sponsored Ad – GENIUS2X4: 8A 4-Bank Smart Battery Charger (2A/Bank) - 6V/12V Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium

Sponsored Ad – GENIUS2X4: 8A 4-Bank Smart Battery Charger (2A/Bank) - 6V/12V Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium

Product ID: 222204698

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Details

Brand
NOCO
Colour
Black
Product dimensions
14.5D x 25.1W
Item weight
7.78 Pounds
Output voltage
12 Volts

⚡8A total output, 2A per bank

🔋4-bank simultaneous charging

🌡️temperature-compensated precision

Description

⚡ Power Up Like a Pro — Charge Smarter, Not Harder

SMART THERMAL SENSOR - Adaptive temperature compensation ensures optimal charging without risk of overheat or undercharge.
REVIVE DEAD BATTERIES - Force Mode powers up batteries down to 0V, rescuing even the most neglected power sources.
ALL IN ONE BATTERY CARE - Combines charger, maintainer, trickle charger, and desulfator to extend battery life effortlessly.
UNIVERSAL COMPATIBILITY - Supports 6V & 12V lead-acid and lithium-ion batteries across cars, motorcycles, boats, and more.
CHARGE 4 BATTERIES AT ONCE - Maximize efficiency with simultaneous 4-bank charging—perfect for busy pros managing multiple vehicles.

The NOCO GENIUS2X4 is a cutting-edge 4-bank smart battery charger delivering 8 amps total (2A per bank) with advanced temperature compensation and desulfation technology. Designed for 6V and 12V lead-acid and lithium batteries, it simultaneously charges multiple batteries, revives dead cells, and maintains optimal battery health with overcharge protection. Ideal for professionals managing diverse vehicle fleets, it offers reliable, safe, and efficient battery care backed by a 3-year warranty.

Specifications

Manufacturer	NOCO
Brand	NOCO
Model	GENIUS2X4
Product Dimensions	17.7 x 13.49 x 27.41 cm; 3.53 kg
Batteries	1 Unknown batteries required.
Item model number	GENIUS2X4
Manufacturer part number	GENIUS2X4
Special Features	4-Bank Battery Maintainer, Trickle Charger And Battery Desulfator, Battery Charger For Cars, Motorcycles, ATV, And Lawnmowers, Force Mode For Manual Battery Charging, Spark-Proof and Reverse Polarity Protection, Temperature Compensation For Accurate Recharging
Amperage	8 Amps
Item Weight	3.53 kg

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