ALLNET Battery 1-Pack for 18650 Li-ion Rechargeable Battery with Barrel Connector 5.1x2.1mm

The ALLNET Battery 1-Pack for 18650 Li-ion rechargeable battery with barrel connector 5.1x2.1mm is a simple and reliable battery holder designed to power your DIY electronics, portable projects, and prototyping needs. It accommodates a single 18650 Li-ion cell and provides a convenient DC barrel plug output for easy connection.

Advantages

Easy to use: Simply insert a standard 18650 Li-ion rechargeable battery and connect via the 5.1x2.1mm DC barrel plug. The holder is made of durable ABS plastic and features a 15 cm cable for flexible placement. Its compact design makes it ideal for integrating into custom enclosures or using as a portable power source.

Suitable for

• Portable power supplies
• DIY electronics projects
• Prototyping and testing
• Replacing worn-out battery holders

Key specifications

• Product Type: Battery Holder
• Compatible Battery: 18650 Li-ion Rechargeable (1 cell)
• Output Connector: DC Barrel Plug (Male) 5.1mm outer diameter, 2.1mm inner diameter
• Nominal Output Voltage: 3.7 V
• Material: ABS Plastic
• Color: Black
• Cable Length: Approx. 15 cm
• Polarity: Center Positive
• Wire Gauge: 22 AWG
• Operating Temperature: -20°C to 60°C

Recommendations

For best performance, use a high-quality 18650 Li-ion battery with protection circuitry. Ensure correct polarity when connecting to your device. This holder does not include overcharge or discharge protection; use with appropriate charging circuits.