You can use your NOCO Genius battery charger as a 13.6V power supply by connecting it to your device and enabling the proper mode that outputs a steady 13.6 volts DC.
This versatile feature allows the charger to act not just as a battery charger but also as a reliable power source for 12V electronics that require a constant voltage supply.
Many users don’t realize that high-quality chargers like the NOCO Genius can double as power supplies, which is incredibly handy for powering small devices, testing electronics, or running accessories without draining a battery.
Best 13.6V Power Supply Alternatives for Your Projects
If you’re looking to use your Noco Genius battery charger as a 13.6V power supply, you might also want to consider some top-rated dedicated power supplies and related tools to complement or substitute your setup. Here are three excellent products worth considering:
Tekpower TP3005T Variable Linear DC Power Supply
This power supply offers a stable 0-30V output with adjustable voltage and current control. It’s ideal for projects that require precise power management and can provide continuous, clean 13.6V power without relying on battery charging functions.
KORAD KA3005P Programmable DC Power Supply
Known for its accuracy and digital display, the KORAD KA3005P is a great choice for DIY enthusiasts who want to monitor voltage and current easily. It’s programmable, making it flexible for a variety of 12V and 13.6V applications.
NOCO Genius G3500 6V/12V Battery Charger and Maintainer
If you prefer sticking with the NOCO brand, the Genius G3500 is a versatile charger that also supports trickle charging and maintenance mode. It’s great if you want a device that can both power and maintain batteries safely.
How to Safely Use Your Noco Genius Battery Charger as a 13.6V Power Supply
Using your Noco Genius battery charger as a 13.6V power supply is entirely possible, but safety must be your top priority. The charger is primarily designed for battery charging, so it includes built-in protections like overcurrent and reverse polarity safeguards. When repurposing it as a power supply, you need to follow specific steps to avoid damaging your devices or the charger itself.
Step 1: Select the Correct Mode
Most Noco Genius chargers have multiple modes depending on battery type (lead-acid, lithium-ion, etc.). For power supply use, choose the 12V or 12V AGM mode, which delivers a regulated output near 13.6 volts. Avoid modes designed for fast charging or 6V batteries, as voltage will not be stable or suitable.
Step 2: Connect Properly
Use the included clamps or ring terminals to connect the charger’s output to your device or project’s positive (+) and negative (-) terminals. Ensure connections are secure to prevent shorts or voltage drops. Double-check polarity — reversing connections can damage both the charger and your equipment.
Step 3: Use a Load or Battery Simulacrum
The Noco Genius expects a battery to be connected, as it regulates current based on load. If you try to run it with no load, voltage may spike or shut down. To avoid this, connect a suitable battery or a dummy load resistor rated for the current your device draws.
Step 4: Monitor Voltage and Current
Use a multimeter to confirm the output voltage stays near 13.6V. Keep an eye on current draw; avoid exceeding the charger’s maximum output current (usually 3.5 amps for models like the G3500). If your project requires more power, consider a dedicated power supply.
Step 5: Safety Precautions
Never leave the charger unattended while in power supply mode. Ensure it’s placed on a non-flammable surface and away from moisture. Disconnect immediately if you notice overheating, sparks, or unusual smells.
The Voltage Output and Limits of the Noco Genius Charger
Knowing the voltage output and limitations of your Noco Genius charger is essential when using it as a 13.6V power supply. The charger is designed primarily to charge 12V lead-acid or lithium-ion batteries, delivering a regulated voltage typically around 13.6 volts during the charging or maintenance phase.
Stable Voltage Output
When connected to a battery, the Noco Genius maintains a voltage around 13.6V to 13.8V, which is ideal for fully charged 12V batteries. This voltage is slightly higher than the nominal 12V to ensure the battery remains topped off without overcharging. When used as a power supply, this means your devices will receive a steady 13.6V output as long as the charger is operating normally and the load is within specifications.
Voltage Regulation
The charger’s internal electronics actively regulate the voltage, preventing significant spikes or drops. However, if the charger is used without a battery or adequate load, the voltage may become unstable or the charger may shut down as a protective measure.
Current Output Limits
Each Noco Genius model has a maximum current output—often 1A, 3.5A, or higher depending on the model. Exceeding this limit can cause the charger to overheat, shut off, or reduce output to protect itself. When using the charger as a power supply, always ensure your connected device or load does not draw more current than the charger’s rated capacity.
Thermal and Safety Features
The Noco Genius charger includes built-in thermal sensors and safety features to prevent damage from overheating or electrical faults. This makes it safer than many DIY power supply alternatives but also means it can shut down unexpectedly if pushed beyond its limits.
Common Applications for Using the Noco Genius as a Power Supply
Using your Noco Genius battery charger as a 13.6V power supply opens up a range of practical applications, especially for hobbyists, automotive enthusiasts, and DIYers who need reliable low-voltage power without investing in a dedicated power supply.
Powering 12V Automotive Accessories
Many car accessories such as LED light strips, small air compressors, or diagnostic tools require a steady 12-13.6V source. Instead of draining your vehicle’s battery, you can use the Noco Genius to provide clean power while testing or operating these devices on a workbench.
Running Portable Electronics or 12V Devices
Devices like portable fans, radios, or small water pumps designed for 12V systems can be powered during maintenance or testing phases without a battery. The Noco Genius delivers a regulated 13.6V output perfect for these setups.
Battery Maintenance and Testing
If you have multiple 12V batteries, the charger’s power supply mode can simulate a battery’s voltage during troubleshooting or while checking other components. It ensures you’re supplying the correct voltage when testing electronics designed to run from a 12V source.
DIY and Electronics Projects
Electronics hobbyists often need a reliable 13.6V supply for projects involving microcontrollers, sensors, or relays. The Noco Genius offers a simple solution for providing steady voltage in these projects, especially when a dedicated power supply isn’t available.
Emergency Backup Power
In some emergency setups, the charger can temporarily power low-current 12V devices, providing a quick backup power source.
Important Note: Always check the current rating of your Noco Genius model and ensure your connected device does not exceed it. Using the charger outside its design limits can cause shutdowns or damage.
Tips and Precautions When Using Noco Genius as a Power Supply
Using your Noco Genius battery charger as a 13.6V power supply can be incredibly convenient, but it’s important to take some precautions to protect your equipment and ensure safety.
Always Use the Correct Mode
Make sure you select the 12V battery mode suitable for your charger model. Using the wrong mode can lead to improper voltage output or damage.
Verify Connections and Polarity
Double-check that your positive (+) and negative (-) connections are correct. Reverse polarity can cause severe damage to both your charger and the device you’re powering.
Use a Suitable Load
The charger expects to see a battery or load attached. Operating it without a load can cause voltage spikes or the charger to shut down. If you don’t have a battery connected, use a dummy load resistor rated for the current your device requires.
Monitor Voltage and Current
Regularly check the voltage output with a multimeter to ensure it stays close to 13.6V. Also, monitor current draw so you don’t exceed the charger’s maximum output current.
Avoid Prolonged Use Without a Battery
While the Noco Genius can work as a power supply, it’s not designed for continuous use this way. For long-term applications, a dedicated power supply is preferable.
Keep the Charger in a Well-Ventilated Area
Ensure the charger is placed where it can dissipate heat. Overheating can trigger safety shutdowns or damage the unit.
Inspect Cables and Connectors Regularly
Frayed wires or loose connections can cause shorts, voltage drops, or even fire hazards.
Disconnect When Not in Use
Always unplug the charger when you’re done using it as a power supply to prevent accidental damage or energy waste.
Conclusion
Using your Noco Genius battery charger as a 13.6V power supply is a practical solution for powering small 12V devices, automotive accessories, and DIY projects.
By selecting the right mode, ensuring proper connections, and respecting the charger’s current limits, you can safely harness its regulated voltage output without needing a dedicated power supply. Always keep safety in mind—use an appropriate load, monitor voltage and current, and avoid prolonged use without a battery connected.
While the Noco Genius is versatile, for continuous or higher power needs, investing in a dedicated power supply is the best choice. With these insights, you can confidently use your Noco Genius charger to keep your projects running smoothly and efficiently.
Frequently Asked Questions About Using the Noco Genius Battery Charger as a 13.6V Power Supply
Can I use the Noco Genius charger as a constant 13.6V power supply?
Yes, you can use it as a 13.6V power supply for low to moderate current applications. However, it’s designed primarily for charging batteries, so it needs a proper load (like a battery or dummy resistor) to maintain stable voltage.
What happens if I use the charger without a battery connected?
Operating the Noco Genius without a battery or load can cause voltage spikes or cause the charger to shut down as a safety feature. It’s important to connect a battery or an appropriate load when using it as a power supply.
What is the maximum current output I can expect?
This depends on your Noco Genius model. For example, the G3500 model delivers up to 3.5 amps. Exceeding this current can cause the charger to overheat or shut off to protect itself.
Will the charger damage my electronics if used as a power supply?
If you follow correct polarity, use the proper mode, and keep the current within limits, it won’t damage your devices. Always monitor connections and use a multimeter to verify voltage output.
Can I use the charger for continuous power supply?
While it’s possible, the Noco Genius isn’t designed for continuous operation as a power supply. Prolonged use this way may reduce its lifespan. For long-term needs, a dedicated power supply is recommended.
How do I select the right mode on the charger for power supply use?
Choose the 12V or 12V AGM mode on your Noco Genius. Avoid modes intended for 6V batteries or fast charging, as they don’t provide stable 13.6V output.
Is it safe to leave the charger unattended while powering a device?
It’s best to avoid leaving it unattended to quickly respond to any overheating, shutdowns, or unusual behavior. Always use the charger in a well-ventilated, safe area.