Durable plastic battery holder designed to securely hold two 3.7V 18650 Li-ion rechargeable batteries. Ideal for building 7.4V or extended capacity battery packs in DIY electronics, power banks, and portable devices.
This Plastic Battery Holder for 2 × 18650 Li-ion Cells offers a secure and convenient solution to house two rechargeable 3.7V 18650 batteries, allowing you to configure them in series (7.4V) or parallel (3.7V with double capacity) depending on your project needs.
Constructed from sturdy, insulating plastic with strong spring-loaded or flat metal contacts, this holder ensures stable electrical connections and easy battery insertion/removal. Perfect for custom battery packs, portable electronics, flashlights, and other battery-powered applications.
The compact design facilitates easy mounting inside devices or enclosures, with solder pins or screw terminals for secure wiring.
| Property | Value |
|---|---|
| Compatible Batteries | 2 × 18650 Li-ion rechargeable cells |
| Nominal Voltage | 3.7V each (7.4V in series configuration) |
| Mount Type | Through-hole PCB pins or screw terminals |
| Material | High-quality insulating plastic with metal contacts |
| Dimensions | Approx. 75mm (L) × 38mm (W) × 20mm (H) (may vary by model) |
| Weight | ~30 grams |
| Contact Type | Spring-loaded or flat metal contacts |
✅ Holds 2 × 18650 rechargeable Li-ion batteries (3.7V nominal each)
✅ Supports series or parallel wiring (user-configurable)
✅ Robust plastic housing for insulation and durability
✅ Strong, corrosion-resistant metal contacts for reliable power delivery
✅ Easy snap-in battery insertion/removal
✅ Suitable for DIY battery packs, power banks, flashlights, and robotics
✅ Solder pins or screw terminal options for flexible mounting
DIY battery packs and power banks
Portable electronic devices
LED lighting and flashlights
Robotics and remote-controlled devices
IoT and embedded systems
1 × Plastic Battery Holder for 2 × 18650 Li-ion Batteries
Batteries not included
Check battery polarity before installation
Compatible with protected and unprotected 18650 cells
Ensure proper wiring for series or parallel configuration
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