3.7V 18650 Battery Holder X 4
Available in stock
| Quantity | Price per unit | You save |
|---|---|---|
| 1–2 pcs | 8,99 lei | — |
| 3–4 pcs | 8,54 lei | 5% (−0,45 lei/unit) |
| 5–10 pcs | 8,09 lei | 10% (−0,90 lei/unit) |
| 11+ pcs | 7,64 lei | 15% (−1,35 lei/unit) |
18650 Battery Holder for DIY Projects and Custom Power Banks
This compact holder for 4 x 18650 batteries facilitates quick assembly of portable power systems. Ideal for DIY lighting projects, power banks, or electronic devices requiring a flexible and easily configurable power source. Simple connection via integrated wires, compact dimensions, durable construction.
What you get with this product
- Quick assembly of 18650 batteries without soldering or special tools — simply insert batteries and connect wires
- Compatible with all standard 18650 Li-ion batteries for maximum project flexibility
- Compact 66x75 mm design for easy integration into small enclosures or portable equipment
- Extended red and black wires for direct connection to a controller or charging circuit
- Durable plastic construction with metal contacts for long-lasting use
- Affordable solution for rapid prototyping and battery life testing
How it works and how to install it
Insert the 4 x 18650 batteries into the holder slots, observing the marked polarity. The holder's configuration connects the batteries in series or parallel according to your design, achieving the desired voltage and capacity. Connect the red and black wires to your electronic circuit, charging controller, or inverter. No soldering or special tools required — assembly takes less than 5 minutes manually.
Frequently asked questions
Are the 18650 batteries included in the package?
No, the holder is supplied empty. 18650 batteries are purchased separately according to the desired capacity and quality for your project.
Can I use this holder for a power bank or solar system?
Yes, it is compatible with any project requiring 18650 battery power. Add a suitable BMS charging controller for complete protection.
How are the batteries connected — series or parallel?
The configuration depends on the specific model. Check the internal contact diagram or test with a multimeter to determine the final voltage before connecting to the circuit.
Technical specifications
| Compatible battery type | Li-ion 18650 |
| Number of slots | 4 positions |
| Length | 66 mm |
| Height | 75 mm |
| Connection wires | Extended Red/Black |
| Material | Plastic with metal contacts |
| Package contents | 1 x 18650 Battery Holder x 4 |
Warranty and support
The product benefits from a 24-month warranty in accordance with Romanian legislation. 30-day return policy. Fast delivery by national courier in Romania.
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