1. Bubuka
The NOCO Genius G4 is an advanced 4-bank battery charger and maintainer designed for 6-volt and 12-volt lead-acid and lithium-ion batteries up to 40 Amp-hours. This device is engineered to provide safe and efficient charging, extending battery life and ensuring year-round battery maintenance for various vehicles and equipment. It incorporates an on-board microcomputer to monitor battery activity, minimize energy consumption, and offer multiple safety protections.
2. Fitur konci
- Multi-Bank Charging: Simultaneously charges and maintains up to four separate 6V/12V batteries.
- Kasaluyuan batré serbaguna: Works with all types of 6-volt and 12-volt lead-acid batteries (Wet, Gel, AGM) and 12-volt lithium-ion batteries.
- Téknologi Ngecas Canggih: Charges up to 2x faster than ordinary chargers and can repair damaged batteries.
- Zero Overcharge Protection: Safely remains connected 24/7 without risk of overcharging.
- Fitur kaamanan: Includes spark-proof technology and reverse polarity protection.
- Desain awét: Impact, UV, and water-resistant (IP65) with external mounting holes and a rubberized base.
- Indikator LED intuitif: Provides visual state-of-charge feedback and diagnostic information.
3. Naon dina Box

Image: Contents of the NOCO Genius G4 package.
- G4 4-Bank Advanced Battery Trickle Charger Maintainer
- Batre Clamps (X-Connect)
- Eyelet Terminals (Integrated with X-Connect clamps)
- Kabel Extension
- Guide pamaké
- 5-Taun Inpormasi Jaminan Terbatas
4. Setélan
Before connecting the charger, ensure the area is well-ventilated and free from flammable materials. Always connect the charger to the battery terminals first, then plug the AC cord into a power outlet.
- Identipikasi Jenis Batré: Determine if your battery is 6V or 12V, and its chemistry (Lead-Acid, AGM, Gel, or Lithium-ion).
- Nyambung ka Batré: Attach the X-Connect battery clamps or eyelet terminals to the appropriate battery posts. Ensure a secure connection: red clamp/eyelet to the positive (+) terminal and black clamp/eyelet to the negative (-) terminal. The charger features reverse polarity protection to prevent damage from incorrect connections.
- Nyambung ka Daya: Plug the AC power cord into a 120-volt 50-60Hz electrical outlet.
- Pilih Charging Mode: Press the 'MODE' button on the charger to cycle through the available charging modes until the correct mode for your battery type is selected. The intuitive LED indicators will confirm the selected mode.

Image: NOCO Genius G4 connected to an ATV battery.
5. Operating Modes and Indicators
The G4 charger features various operating modes and LED indicators to provide real-time status and diagnostic information.
5.1 Modeu Ngecas
- 12V NORMAL: For 12-volt Wet, Gel, Enhanced Flooded, and Maintenance-Free batteries.
- 12V AGM: For 12-volt AGM batteries.
- 12V LItium: For 12-volt Lithium-Ion batteries, recommended for those with an internal BMS.
- 6V NORMAL: For 6-volt Wet, Gel, Enhanced Flooded, and Maintenance-Free batteries.
- Modeu ngalereskeun: An advanced battery recovery mode for repairing damaged or sulfated batteries.
5.2 Indikator LED
The charger uses intuitive LED indicators to communicate the charging status and any potential issues:
- LED Beureum Pulsing: Indicates the battery is less than 75% charged and is actively charging.
- Pulsing Green LED: Indicates the bulk charge is complete, and the battery is being optimized for extended life.
- LED héjo padet: The battery is 100% charged and the charger is in maintenance mode.
- Solid Red LED (Error): Indicates a problem such as reverse polarity, a short circuit, or a battery that is too low to charge.

Image: NOCO Genius G4 LED indicators for charging and maintenance.
6. Waktu Ngecas
The following table provides approximate charging times for various battery sizes:

Image: Approximate charging times for various battery sizes.
| Jenis Batré | Ukuran batré (Ah) | Approximate Time to Charge (hours) |
|---|---|---|
| Motor | 18 | 8 |
| Mobil salju | 20 | 9 |
| ATV | 30 | 14 |
| Watercraft Pribadi | 30 | 14 |
| Pamotong jukut | 40 | 18 |
7. Pangropéa
The NOCO Genius G4 is designed for year-round battery maintenance. Once a battery is fully charged, the charger automatically transitions into a maintenance mode, providing optimal charge to keep the battery healthy without overcharging. It can remain safely connected 24/7, ensuring your batteries are always ready for use.
8. Cara ngungkulan
The G4 includes advanced diagnostic features to help identify and resolve common issues:
- Téknologi Spark-Proof: Prevents sparks during connection, enhancing safety.
- Perlindungan Polaritas Terbalik: Automatically detects and prevents damage if battery connections are reversed.
- Perlindungan panyebaran: Prevents battery damage from excessive charging.
- Bad Battery Indication: The charger can detect if a battery is too damaged to accept a charge, indicated by specific LED patterns (refer to the user guide for detailed patterns).
- Modeu ngalereskeun: Utilize the REPAIR mode for deeply discharged or sulfated batteries to attempt recovery.
9. Spésifikasi

Image: Dimensions of the NOCO Genius G4 charger.
| Spésifikasi | Nilai |
|---|---|
| Modél | G4 |
| Ampumur | 4.4 Amps (1.1A per bank) |
| Kaluaran Voltage | 6 Volts (DC), 12 Volts (DC) |
| Dimensi produk | 9.3 x 9.4 x 2.5 inci (23.6 x 23.9 x 6.4 cm) |
| Item Beurat | 2.7 pon (1.22 kg) |
| Panjang Kabel AC | 60 inches (18AWG) |
| DC Cord Panjang | 60 inches (16AWG) |
| Tahan cai | IP65 |
10. Garansi jeung Rojongan
The NOCO Genius G4 4-Bank Battery Charger and Maintainer comes with a 5-taun jaminan kawates. For warranty claims, technical support, or additional product information, please refer to the official NOCO website or contact their customer service directly. Ensure you retain your proof of purchase for warranty validation.





