1. Produktua amaitu daview
The NOCO Genius GENM2 is a fully-automatic, smart marine battery charger designed for charging and maintaining two independent 12-volt batteries. It delivers 8 amps total output, with 4 amps per bank, making it suitable for a variety of lead-acid battery types.

Figure 1: NOCO Genius GENM2 On-Board Battery Charger. This image shows the compact, rugged design of the charger with its two output cables and AC input.
This charger features a fully-sealed, waterproof housing, rated IP68 and NEMA 6P, allowing for installation in tough marine environments and submersion up to 3 meters without failure. Its advanced charging technology includes an onboard processor capable of detecting, diagnosing, recovering, charging, and maintaining all types of lead-acid batteries, including Wet Cell (Flooded), Gel Cell, AGM, and Deep-Cycle batteries, without overcharging.
Key features include spark-proof technology, reverse polarity protection, thermal protection, ignition protection, and overcharge protection, ensuring safe and worry-free operation. The GENM2 continuously monitors the battery, identifying potential issues and automatically adjusting its charging cycle for optimal battery maintenance.
2. Paketearen edukia
- GENM2 On-Board Battery Charger
3. Segurtasun informazioa
Before using the NOCO Genius GENM2 charger, read all safety instructions. This device is designed with multiple safety features to protect both the user and the battery.
- Txinpartaren aurkako teknologia: Prevents sparks during connection, enhancing safety.
- Alderantzizko polaritatearen babesa: Protects against damage if battery connections are reversed.
- Babes termikoa: Barneko tenperatura kontrolatzen du gehiegi berotzea saihesteko.
- Pizketaren babesa: Designed for safe use in environments where flammable vapors may be present.
- Gainkarga Babesteko: Automatically stops charging when the battery is full, preventing damage.
The GENM2 is certified to UL1236, ISO 8846 Marine Standards, and Ignition Protection US Coast Guard 33 CFR 183.410, ensuring compliance with stringent safety regulations.
Always ensure proper ventilation when charging batteries. Do not attempt to charge frozen batteries. Disconnect the AC power before making or breaking battery connections.
4. Konfigurazioa eta instalazioa
The GENM2 charger is designed for easy installation directly onto various applications, particularly in marine environments. Its robust, waterproof construction allows for flexible mounting options.

Figure 2: NOCO Genius GENM2 with all cables connected. This image illustrates the AC input cable and the two independent output cables with battery terminals.
- Muntaketa: Choose a suitable, secure location for the charger. Ensure it is accessible for AC power connection but protected from physical damage. The waterproof design allows for mounting in damp edo eremu hezeak.
- Bateria konexioa: Connect the charger's output cables to your 12-volt batteries. Each bank (Bank 1 and Bank 2) operates independently. Ensure correct polarity: connect the red positive (+) terminal to the positive battery post and the black negative (-) terminal to the negative battery post.
- AC Power konexioa: Once battery connections are secure, plug the charger's AC power cord into a compatible 120V AC outlet.
The charger will automatically begin its charging process once connected to AC power and batteries.
5. Funtzionamendu-argibideak
The NOCO Genius GENM2 is a fully-automatic charger. Once connected, it will assess the battery condition and initiate the appropriate charging mode.

Figure 3: Close-up of the NOCO Genius GENM2 LED indicators. This image highlights the 'CHARGE' and fault indicators for each bank, providing visual feedback on the charging status.
- Funtzionamendu automatikoa: The charger's onboard processor automatically detects the battery type and condition, then initiates a multi-stage charging process. This includes diagnosis, recovery (for deeply discharged batteries), bulk charging, absorption, and maintenance (float) modes.
- LED adierazleak: The charger features LED indicators for each bank to display the charging status. A solid green 'CHARGE' LED typically indicates a fully charged battery in maintenance mode. Other indicator patterns may signal different charging stages or fault conditions (refer to troubleshooting for details).
- Etengabeko jarraipena: The GENM2 continuously monitors the connected batteries. It will automatically shut off power when a battery is fully charged and then transition to a maintenance mode to keep the battery at optimal charge without overcharging.
6. Mantentzea
Regular maintenance ensures the longevity and optimal performance of your NOCO Genius GENM2 charger and connected batteries.
- Garbiketa: Periodically clean the charger's exterior with a soft, damp oihal. Ez erabili produktu kimiko gogorrak edo garbitzaile urratzaileak.
- Kableen ikuskapena: Regularly inspect all cables and connections for any signs of wear, damage, or corrosion. Replace damaged cables immediately.
- Konexioaren Osotasuna: Ensure battery terminals are clean and connections are tight to prevent resistance and ensure efficient charging.
- Biltegiratzea: When not in use for extended periods, store the charger in a cool, dry place.
7. Arazoak
If you encounter issues with your GENM2 charger, refer to the following common troubleshooting steps:
- Kargagailua ez da pizten:
- Ziurtatu korronte alternoko kablea ondo konektatuta dagoela entxufe batera.
- Verify that the battery connections are correct and secure (positive to positive, negative to negative).
- Check for any tripped circuit breakers in the AC supply.
- Bateria ez da kargatzen:
- Berretsi bateriaren bolumenatage is within the charger's operating range (12V).
- Inspect battery terminals for corrosion and clean if necessary.
- The charger may enter a 'recovery' mode for deeply discharged batteries, which can take time. Observe the LED indicators.
- If a fault indicator (e.g., red LED) is illuminated, refer to the specific fault code in the full product manual for detailed resolution.
- Gehiegizko berotzea:
- Ziurtatu kargagailuak aireztapen egokia duela eta ez dagoela estalita.
- If the charger feels excessively hot, disconnect it immediately and allow it to cool before re-evaluating.
For persistent issues or specific fault codes not covered here, consult the complete NOCO Genius GENM2 product manual or contact customer support.
8. Zehaztapenak
| Marka | NOCO |
| Eredua | GENM2 |
| Irteera boltage | 12 Volts (14.4 Volts max) |
| Irteera Korrontea | 8 Amps (4 Ampbanku bakoitzeko s) |
| Bateriaren bateragarritasuna | 20-120Ah, 12V Lead-Acid (Wet, Gel, AGM, Deep-Cycle) |
| Iragazgaitzaren balorazioa | IP68, NEMA 6P (Submersible up to 3 meters) |
| Neurriak | 7.9 x 2.2 x 5.5 hazbete |
| Elementuaren pisua | 5.8 kilo |
| Ziurtagiriak | UL1236, ISO 8846 Marine Standards, 33 CFR 183.410 |
9. Bermea eta Laguntza
The NOCO Genius GENM2 On-Board Battery Charger is backed by a 5 urteko berme mugatuaBerme honek erabilera eta zerbitzu normaletan material eta fabrikazio akatsak estaltzen ditu.
For warranty claims, technical support, or further assistance, please refer to the official NOCO webwebgunera edo jarri harremanetan bezeroarentzako arreta-zerbitzuarekin. Gorde erosketaren egiaztagiria bermea balioztatzeko.