NOCO GEN2

NOCO Genius GEN2 2-Bank 20-Amp Marine Battery Charger User Manual

Model: GEN2 | Brand: NOCO

Sarrera

The NOCO Genius GEN2 is a fully-automatic, smart marine battery charger designed for 12V onboard battery systems. This 2-bank charger provides 10 amps per bank, totaling 20 amps, for charging and maintaining lead-acid batteries. Its rugged, waterproof design (IP68 and NEMA 6P rated) ensures reliable operation in harsh marine environments, capable of submersion up to 3 meters. The GEN2 features advanced charging technology to detect, diagnose, recover, charge, and maintain various lead-acid battery types, including Wet Cell (Flooded), Gel Cell, AGM, and Deep-Cycle batteries, preventing overcharge. It incorporates safety protections against reverse polarity, sparks, short circuits, open circuits, and thermal runaway.

Kutxan dagoena

  • GEN2 On-Board Battery Charger

Konfigurazioa

Kargagailua muntatzea

The GEN2 charger is designed for easy installation directly onto your marine vessel or other applications. Ensure the mounting surface is secure and allows for proper cable routing. Use the provided mounting hardware to secure the unit. The charger's compact design allows for flexible placement.

NOCO Genius GEN2 2-Bank 20-Amp Marine Battery Charger with all cables connected

Image: NOCO Genius GEN2 charger with all cables, showing its compact form factor.

Bateria konexioa

Connect the positive (+) output cable from Bank 1 to the positive terminal of your first 12V battery. Connect the negative (-) output cable from Bank 1 to the negative terminal of the same battery. Repeat this process for Bank 2 and your second 12V battery. Ensure all connections are secure and free from corrosion. The charger is designed to work with two independent 12V batteries.

Goiena view of NOCO Genius GEN2 charger showing battery connections and AC input

Irudia: Goian view of the GEN2 charger, illustrating the separate connections for Bank 1 and Bank 2, along with the AC input.

Potentzia-konexioa

Once batteries are securely connected, plug the AC input cord into a suitable 120V AC power outlet. The charger will automatically begin its charging process.

Funtzionamendu-argibideak

Funtzionamendu guztiz automatikoa

The GEN2 charger operates automatically. Once connected to batteries and AC power, it will detect the battery condition, diagnose any issues, and begin the appropriate charging cycle without user intervention.

Karga-adierazleak

The charger features LED indicators for each bank. A red light indicates charging in progress, and a green light indicates the battery is fully charged and in maintenance mode. These indicators provide a clear visual status of each battery's charge state.

Angelukoa view of NOCO Genius GEN2 charger showing illuminated charge indicators

Irudia: Angelua view of the GEN2 charger, highlighting the charge status indicators for Bank 1 and Bank 2.

Close-up of NOCO Genius GEN2 charge indicators

Image: Detailed close-up of the GEN2's charge indicators, showing the 'CHARGE' label and the 12V OUT 10A specification for each bank.

Bateria mota bateragarriak

The charger is compatible with Wet Cell (Flooded), Gel Cell, AGM, and Deep-Cycle 12V lead-acid batteries ranging from 25-230Ah.

Mantentze-modua

After fully charging, the GEN2 automatically transitions to a maintenance mode, continuously monitoring the battery and providing optimal charge to prevent self-discharge without overcharging. This ensures batteries remain fully charged and healthy over extended periods.

Mantentzea

Ohiko Ikuskapena

Periodically inspect all cables and connections for signs of wear, damage, or corrosion. Ensure the charger's housing is clean and free from debris. Damaged cables should be replaced immediately by a qualified professional.

Garbiketa

Clean the exterior of the charger with a damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the charger is unplugged from AC power before cleaning.

Diseinu Iragazgaitza

While the charger is waterproof, ensure the AC plug and battery connections are kept dry when not in use or during installation to prevent electrical hazards. The waterproof rating applies to the main unit, not necessarily exposed connections.

Arazoak konpontzea

Charger Not Activating

  • Ziurtatu korronte alternoko kablea ondo konektatuta dagoela entxufe batera.
  • Verify that battery connections are correct (positive to positive, negative to negative) and secure.
  • Egiaztatu bateria boltage is extremely low; some chargers may require a minimum voltage to initiate charging. Consult NOCO support for very low voltage battery recovery procedures.

LED adierazleen arazoak

  • If no LEDs illuminate, recheck AC power and battery connections.
  • If a fault indicator (e.g., flashing red) appears, refer to the NOCO support website or contact customer service for specific fault code interpretations.

Karga motela

  • Ensure the battery capacity is within the recommended range (25-230Ah).
  • Verify that the AC power source is stable.
  • Extremely cold temperatures can affect charging performance and duration.

Gehiegi berotzea

  • Ziurtatu kargagailuak aireztapen egokia duela eta ez dagoela estalita.
  • If the charger feels excessively hot, disconnect it immediately and contact support. The GEN2 has thermal protection, but persistent overheating indicates an underlying issue.

Zehaztapenak

EzaugarriZehaztapena
MarkaNOCO
EreduaGEN2
Amparoa20 Amps (10 Ampbanku bakoitzeko s)
liburukiatage12 Volt
Elementuaren pisua9.06 kilo
Produktuaren neurriak9.37" L x 11.02" W x 6.3" H
Iragazgaitzaren balorazioaIP68, NEMA 6P (Submersible up to 3 meters)
Bateria mota bateragarriakWet Cell (Flooded), Gel Cell, AGM, Deep-Cycle 12V Lead-Acid
Compatible Battery Capacity25-230 Ah
Segurtasun ZiurtagiriakUL1236, ISO 8846 Marine Standards, Ignition Protection US Coast Guard 33 CFR 183.410
NOCO Genius GEN2 charger with dimensions labeled

Image: Dimensions of the NOCO Genius GEN2 charger.

Bermea eta Laguntza

Bermea

The NOCO Genius GEN2 On-Board Battery Charger is backed by a 5-Year Limited Warranty. Please retain your proof of purchase for all warranty claims. The warranty covers defects in material and workmanship under normal use.

Laguntza

For technical assistance, troubleshooting, or warranty inquiries, please visit the official NOCO website or contact their customer support directly. You can find the most current contact information and detailed support resources on the NOCO Store or their official product support pages.