# 18650 battery holder, 1S

> 18650 battery holder, 1S configuration, for 1 x 18650 Li-Ion battery, supply voltage 3.7 V. Features 2-wire output, marked polarity and a durable housing. Recommended for button top cells (flat top also fits). Weight 10 g, dimensions 73 x 16 x 17 mm. Suitable for electronic builds, portable applications and small robots.

- Page: https://sigmanortec.ro/en/18650-battery-holder-1s
- Price: 2.12 RON
- Availability: In stock; 1-2 zile
- Reference: 33342 · EAN: 5949064895038
- Category: Electronic components > Battery Holders
- Specifications: Number of cells: 1S
- Package (shipping data): 0.009 kg
- Updated: 2026-09-12
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:22 (Europe/Bucharest)

## Description

Ideal for quickly powering electronic projects with a 1S 18650 battery, this holder ensures simple assembly and secure contact. It features a 2-wire output for direct connection, a durable housing for repeated use, a compact size for easy integration, and marked polarity for correct installation.
The 18650 battery holder is a practical and compact solution for powering electronic projects at 3.7 V. Designed to house 1 type 18650 battery, this holder provides a simple and efficient power source, suitable for electronic assemblies, portable applications, outdoor use, and small-sized robots.
Its lightweight design and small dimensions make it easy to integrate into various projects, and the construction is optimized for button top batteries (flat top also works), ensuring good contact and stable use.
Specifications:
Compatibility: 1 x 18650 Li-Ion battery
Supply voltage: 3.7 V
Recommended battery type: button top
Weight: 10 g
Dimensions: 73 x 16 x 17 mm
Usage:
Insert a 18650 battery into the holder, respecting the correct polarity (negative on spring). Connect the holder wires to the electronic project requiring 3.7 V power. It is recommended to check the voltage compatibility with the powered device before use. For safe operation, avoid using damaged or incompatible batteries.