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NOCO GENIUS2 6V/12V 2A Smart Battery Charger

Model: GENIUS2 · SKU: GENIUS2

Prepared Nov 12, 2026

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Common specifications

Charger input	Not documented
Input voltage	100-240 VAC, 50-60HzNeeds confirmationSource See note below[1]
Solar input voltage	Not documented
Solar input limit	Not documented
Output voltage	VariousSource [1, 2]
Battery voltage	6V & 12VSource [1]
Charge current	2 ASource [1, 2]
Battery chemistry	Wet, Gel, MF, CA, EFB, AGM, LithiumSource [1]
Power	30 WSource [1, 2]
Isolated	Not documented
Engine detection	Not documented
Weight	0.5 kg1.1 lb convertedSource [1]
Enclosure volume	Not documented
Warranty term	Not documented

All recorded specifications

Battery chemistry	Wet, Gel, MF, CA, EFB, AGM, LithiumDocumented claim Conditions Printed as "Wet, Gel, MF, CA, EFB, AGM, Lithium." The About paragraph reads: "The GENIUS2 is designed for charging all types of 6V & 12V lead-acid batteries, including Lithium (LiFePO4), Wet (Flooded), Gel, MF (Maintenance-Free), CA (Calcium), EFB (Enhanced Flooded Battery), and AGM (Absorption Glass Mat) batteries." The 12V LITHIUM mode is "For use on batteries with Battery Management Systems (BMS) only." The data sheet prints "Lead-Acid and Lithium". Location: User guide page 10, Battery Chemistries; About GENIUS2 paragraph; 12V LITHIUM mode Printed as "Wet, Gel, MF, CA, EFB, AGM, Lithium." The About paragraph reads: "The GENIUS2 is designed for charging all types of 6V & 12V lead-acid batteries, including Lithium (LiFePO4), Wet (Flooded), Gel, MF (Maintenance-Free), CA (Calcium), EFB (Enhanced Flooded Battery), and AGM (Absorption Glass Mat) batteries." The 12V LITHIUM mode is "For use on batteries with Battery Management Systems (BMS) only." The data sheet prints "Lead-Acid and Lithium". Location: User guide page 10, Battery Chemistries; About GENIUS2 paragraph; 12V LITHIUM mode Official warranty · NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name) [1]
Battery voltage	6V & 12VDocumented claim Conditions Printed as "6V & 12V". The archived specs page prints "Voltages: 6 Volts 12 Volts". Location: User guide page 10, Technical Specifications, Type of Batteries Printed as "6V & 12V". The archived specs page prints "Voltages: 6 Volts 12 Volts". Location: User guide page 10, Technical Specifications, Type of Batteries Official warranty · NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name) [1]
Charge current	2 ADocumented claim Conditions Printed as "2A (12V), 2A (6V)" in the user guide and the data sheet; the archived specs page prints "Charging Current: 2 Amps DC". Location: User guide page 10, Technical Specifications, Charging Current Printed as "2A (12V), 2A (6V)" in the user guide and the data sheet; the archived specs page prints "Charging Current: 2 Amps DC". Location: User guide page 10, Technical Specifications, Charging Current Official warranty · NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name)Official datasheet · NOCO GENIUS2 6V & 12V 2A data sheet (dated 02.21.2024 in its file name) [1, 2]
Input voltage	100-240 VAC, 50-60HzNeeds confirmationThe GENIUS2 user guide (4.18.2024a, page 10) prints "100-240 VAC, 50-60Hz"; the GENIUS2 data sheet (02.21.2024) prints "120-240 VAC, 50-60Hz" and the archived specs page prints "Line Voltage: 120V to 240V AC". The user guide's value is recorded. Conditions Printed as "100-240 VAC, 50-60Hz" in the user guide's Technical Specifications. Location: User guide page 10, Technical Specifications, Input Voltage AC Printed as "100-240 VAC, 50-60Hz" in the user guide's Technical Specifications. Location: User guide page 10, Technical Specifications, Input Voltage AC Official warranty · NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name) [1]
Output voltage	VariousDocumented claim Conditions The user guide and the data sheet print "Charging Voltage: Various" because the voltage depends on the selected mode. The user guide's Charging Modes table (peak voltage measured at 25 degrees C) prints 12V 14.5V, 12V AGM 14.8V, 12V LITHIUM 14.6V and 6V 7.25V, each at 2A for batteries up to 40Ah, plus a Force Mode for batteries below 1V. Location: User guide page 10, Charging Voltage; page 4, Charging Modes The user guide and the data sheet print "Charging Voltage: Various" because the voltage depends on the selected mode. The user guide's Charging Modes table (peak voltage measured at 25 degrees C) prints 12V 14.5V, 12V AGM 14.8V, 12V LITHIUM 14.6V and 6V 7.25V, each at 2A for batteries up to 40Ah, plus a Force Mode for batteries below 1V. Location: User guide page 10, Charging Voltage; page 4, Charging Modes Official warranty · NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name)Official datasheet · NOCO GENIUS2 6V & 12V 2A data sheet (dated 02.21.2024 in its file name) [1, 2]
Power	30 WDocumented claim Conditions Printed as "30W Max" in the user guide and "30 Watts Max" in the data sheet; the archived specs page prints "Power Consumption: 30 Watts (Max)". Location: User guide page 10, Technical Specifications, Output Power Printed as "30W Max" in the user guide and "30 Watts Max" in the data sheet; the archived specs page prints "Power Consumption: 30 Watts (Max)". Location: User guide page 10, Technical Specifications, Output Power Official warranty · NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name)Official datasheet · NOCO GENIUS2 6V & 12V 2A data sheet (dated 02.21.2024 in its file name) [1, 2]
Weight	0.5 kg1.1 lb convertedDocumented claim Conditions Printed as "1.1 Pounds (0.5kg)"; the kilogram figure is NOCO's own. The data sheet prints "1.1 lbs (0.50 kg)". Location: User guide page 10, Technical Specifications, Weight Printed as "1.1 Pounds (0.5kg)"; the kilogram figure is NOCO's own. The data sheet prints "1.1 lbs (0.50 kg)". Location: User guide page 10, Technical Specifications, Weight Official warranty · NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name) [1]

Warranty

Term years	3 yearsDocumented claim Conditions Printed as "NOCO Three (3) Year Limited Warranty". The archived specs page prints "3-Year Limited Warranty". Location: User guide, warranty section heading Printed as "NOCO Three (3) Year Limited Warranty". The archived specs page prints "3-Year Limited Warranty". Location: User guide, warranty section heading Official warranty · NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name) [1]

Term years

3 yearsDocumented claim

Conditions

Printed as "NOCO Three (3) Year Limited Warranty". The archived specs page prints "3-Year Limited Warranty".

Location: User guide, warranty section heading

Printed as "NOCO Three (3) Year Limited Warranty". The archived specs page prints "3-Year Limited Warranty".

Location: User guide, warranty section heading

Official warranty · NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name)

[1]

Certificate records

No records documented.

Sources and revisions

NOCO GENIUS2 User Guide & Warranty (North America, dated 4.18.2024a in its file name)Official warranty · Revision 4.18.2024a · Checked Oct 9, 2026https://no.co/media/wysiwyg/downloads/User_Guides/Genius/genius2na_user_guide_4.18.2024a.pdf
NOCO GENIUS2 6V & 12V 2A data sheet (dated 02.21.2024 in its file name)Official datasheet · Revision 02.21.2024 · Checked Oct 9, 2026https://no.co/media/wysiwyg/downloads/brochures/Genius/genius2_data_sheet_02.21.2024.pdf
NOCO GENIUS2 Tech Specs page (no.co/genius2/specs, Internet Archive copy of June 13, 2026)Official product page · Checked Oct 9, 2026https://web.archive.org/web/20260613190051id_/https://no.co/genius2/specs