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How to Use 1-Way 18650 Battery Holder: Examples, Pinouts, and Specs
Design with 1-Way 18650 Battery Holder in Cirkit DesignerIntroduction
The 1-Way 18650 Battery Holder (DFRobot part ID: DFR0968) is a compact and reliable solution for powering electronic projects. It is designed to house a single 18650 lithium-ion rechargeable battery, which is a standard cell size known for its high energy density and long life. This battery holder is commonly used in portable devices, DIY electronics, and robotics due to its ease of use and ability to provide a stable power source.
Explore Projects Built with 1-Way 18650 Battery Holder
Battery-Powered Adjustable Voltage Regulator with Li-ion 18650 Batteries and BMS
This circuit is a power management system that uses four Li-ion 18650 batteries connected to a 2S 30A BMS for battery management and protection. The system includes step-up and step-down voltage regulators to provide adjustable output voltages, controlled by a rocker switch, and multiple DC jacks for power input and output.
Open Project in Cirkit Designer18650 Li-ion Battery Pack with 4S40A BMS and XL4016 Voltage Regulator for Battery-Powered Applications
This circuit is a battery management and charging system for a 4S Li-ion battery pack. It includes multiple 18650 Li-ion batteries connected to a 4S40A BMS for balancing and protection, a battery indicator for monitoring charge status, and an XL4016 module for voltage regulation. The system is designed to be charged via a 20V input from a charger.
Open Project in Cirkit DesignerBattery-Powered 18650 Li-ion Charger with USB Output and Adjustable Voltage Regulator
This circuit is a battery management and power supply system that uses three 3.7V batteries connected to a 3S 10A Li-ion 18650 Charger Protection Board Module for balanced charging and protection. The system includes a TP4056 Battery Charging Protection Module for additional charging safety, a Step Up Boost Power Converter to regulate and boost the voltage, and a USB regulator to provide a stable 5V output, controlled by a push switch.
Open Project in Cirkit DesignerBattery-Powered Audio Playback and Amplification System
This circuit is designed to charge 18650 lithium-ion batteries using a TP4056 charger module, and then boost the voltage using an XL 6009 Boost Module. The boosted voltage is regulated by a 7805 voltage regulator to provide a stable 5V output, which powers an ISD1820 voice recording and playback module. The audio signal from the ISD1820 is then amplified by an LM386 audio amplifier module and output through a loudspeaker.
Open Project in Cirkit DesignerExplore Projects Built with 1-Way 18650 Battery Holder
Battery-Powered Adjustable Voltage Regulator with Li-ion 18650 Batteries and BMS
This circuit is a power management system that uses four Li-ion 18650 batteries connected to a 2S 30A BMS for battery management and protection. The system includes step-up and step-down voltage regulators to provide adjustable output voltages, controlled by a rocker switch, and multiple DC jacks for power input and output.
Open Project in Cirkit Designer18650 Li-ion Battery Pack with 4S40A BMS and XL4016 Voltage Regulator for Battery-Powered Applications
This circuit is a battery management and charging system for a 4S Li-ion battery pack. It includes multiple 18650 Li-ion batteries connected to a 4S40A BMS for balancing and protection, a battery indicator for monitoring charge status, and an XL4016 module for voltage regulation. The system is designed to be charged via a 20V input from a charger.
Open Project in Cirkit DesignerBattery-Powered 18650 Li-ion Charger with USB Output and Adjustable Voltage Regulator
This circuit is a battery management and power supply system that uses three 3.7V batteries connected to a 3S 10A Li-ion 18650 Charger Protection Board Module for balanced charging and protection. The system includes a TP4056 Battery Charging Protection Module for additional charging safety, a Step Up Boost Power Converter to regulate and boost the voltage, and a USB regulator to provide a stable 5V output, controlled by a push switch.
Open Project in Cirkit DesignerBattery-Powered Audio Playback and Amplification System
This circuit is designed to charge 18650 lithium-ion batteries using a TP4056 charger module, and then boost the voltage using an XL 6009 Boost Module. The boosted voltage is regulated by a 7805 voltage regulator to provide a stable 5V output, which powers an ISD1820 voice recording and playback module. The audio signal from the ISD1820 is then amplified by an LM386 audio amplifier module and output through a loudspeaker.
Open Project in Cirkit DesignerCommon Applications and Use Cases
- Portable electronic devices
- DIY electronics projects
- Robotics and remote-controlled devices
- Backup power supplies
- Custom battery packs
Technical Specifications
Key Technical Details
- Battery Compatibility: 18650 Lithium-Ion rechargeable battery
- Number of Cells: 1
- Material: Plastic
- Connector Type: Wire leads (typically red and black)
- Wire Length: Approximately 15 cm
- Dimensions: Varies by design, typically around 76 x 20 x 20 mm
- Mounting: May include slots or holes for screws
Pin Configuration and Descriptions
| Pin | Description |
|---|---|
| + | Positive connection to the battery (red wire) |
| - | Negative connection to the battery (black wire) |
Usage Instructions
How to Use the Component in a Circuit
Battery Installation:
- Insert the 18650 battery into the holder, ensuring the positive and negative ends match the holder's markings.
Connecting to a Circuit:
- Connect the red wire (+) from the battery holder to the positive terminal of your circuit.
- Connect the black wire (-) from the battery holder to the negative terminal of your circuit.
Powering an Arduino UNO:
- Since the voltage of a fully charged 18650 battery can exceed the recommended voltage for an Arduino UNO's Vin pin, it is advisable to use a voltage regulator or a buck converter to step down the voltage to a safe level (7-12V).
Important Considerations and Best Practices
- Voltage Regulation: Always ensure the output voltage from the battery is within the acceptable range for your electronic components.
- Battery Orientation: Incorrect battery installation can cause damage to the battery and the circuit.
- Short Circuit Protection: Use a fuse or a protection circuit to prevent short circuits.
- Battery Monitoring: Monitor the battery charge level to prevent over-discharge, which can damage the battery.
Troubleshooting and FAQs
Common Issues
- Battery not fitting: Ensure you are using the correct battery size (18650) and that the holder is not damaged.
- No power output: Check the battery charge and ensure proper contact between the battery terminals and the holder.
- Intermittent power: Inspect the wires and solder joints for loose connections.
Solutions and Tips for Troubleshooting
- Secure Connections: Make sure all connections are secure and that the battery is properly seated in the holder.
- Battery Health: Regularly check the battery's voltage to ensure it is within the recommended operating range.
- Wire Integrity: Inspect the wires for any signs of wear or damage and replace if necessary.
FAQs
Q: Can I recharge the battery while it's in the holder? A: No, this holder does not include charging circuitry. You must use a separate charger designed for 18650 batteries.
Q: What is the maximum current the holder can handle? A: The current handling capability depends on the wire gauge used. Check the product specifications from DFRobot for the exact rating.
Q: Is the battery holder protected against reverse polarity? A: Typically, these holders do not have built-in reverse polarity protection. Always double-check the battery orientation when installing.
Q: Can I use this holder with non-rechargeable batteries? A: No, this holder is designed specifically for 18650 lithium-ion rechargeable batteries.
For further assistance or inquiries, please contact DFRobot's customer support.