Durable and secure battery holder designed to fit a single 3.7V 18650 Li-ion rechargeable battery. Ideal for DIY electronics, power banks, flashlights, and portable devices.
This Battery Holder for 1× 18650 Li-ion Battery (3.7V) provides a safe and convenient way to mount your rechargeable battery in electronic projects and devices. Designed to securely hold the popular 18650 cylindrical battery, this holder features a robust snap-in design with strong contacts for stable electrical connection.
Perfect for DIY power banks, LED flashlights, portable electronics, and custom battery packs, the holder is easy to install with through-hole PCB mounting pins or screw terminals (depending on model). It ensures easy battery replacement while maintaining a compact form factor.
| Property | Value |
|---|---|
| Compatible Battery | 1× 18650 Li-ion rechargeable battery |
| Nominal Voltage | 3.7V |
| Mount Type | Through-hole PCB or Snap-in |
| Material | Plastic housing with metal contacts |
| Dimensions | Approx. 70mm (L) × 20mm (W) × 18mm (H) (varies by model) |
| Weight | ~15 grams |
| Contact Type | Spring-loaded or flat metal strips |
✅ Fits standard 18650 size Li-ion rechargeable batteries (3.7V nominal voltage)
✅ Snap-in design for easy battery insertion and removal
✅ Strong, corrosion-resistant metal contacts for reliable connection
✅ Through-hole or surface mount options for easy PCB integration
✅ Compact and lightweight plastic housing
✅ Compatible with most 18650 batteries (protected and unprotected types)
✅ Suitable for DIY electronics, flashlights, power banks, and battery packs
DIY battery packs and power banks
Portable electronics
LED flashlights and torches
Electronic testing and prototyping
Robotics and IoT devices
1 × Battery Holder for 1× 18650 Li-ion Battery
Battery not included
Ensure correct polarity when inserting the battery
Suitable for both protected and unprotected 18650 batteries
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