# Individual spring-type contacts, DIY batteries

> Set of 2 individual spring-type contacts (leaf spring, snap-on) made of nickel-plated steel, offering good conductivity and corrosion resistance. They press-fit onto the end of cylindrical batteries A, AA, CR2, CR123A, 18650, 21700, mounting by clipping onto the enclosure wall. Suitable for battery holders, chargers, portable devices and 3D-printed enclosures.

- Page: https://sigmanortec.ro/en/individual-spring-type-contacts-diy-batteries
- Price: 2.98 RON
- Availability: In stock; 1-2 zile
- Reference: 88213 · EAN: 5942206375696
- Category: Electronic components > Battery > Battery Accessories
- Specifications: Contact type: Arc; Application area: Baterii DIY
- Updated: 2026-09-14
- 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

Spring-type individual contacts for DIY battery packs, made of nickel-plated steel, offer good conductivity and corrosion resistance. They are press-fit onto the ends of cylindrical batteries A, AA, CR2, CR123A, 18650, 21700, ensuring stable contact even under vibration. Quick snap-in mounting on the housing wall, ideal for 3D-printed cases, suitable for holders, chargers, and portable devices. Set of 2 pieces.
Individual spring-type battery contacts (leaf spring), made of nickel-plated steel, ensuring good conductivity and corrosion resistance.
They are designed to be press-fitted onto the ends of cylindrical batteries of sizes A, AA, CR2, CR123A, 18650. They are suitable for building battery holders, chargers, portable devices, or DIY projects where a secure and detachable electrical connection is required. The spring provides constant pressure on the battery, reducing the risk of contact loss due to vibration.
The spring also allows snap-on mounting directly onto the wall of the housing that holds the batteries, making it ideal for 3D-printed enclosures.
Specifications:
Type: Spring (leaf spring), snap-on
Material: Nickel-plated steel
Battery compatibility: A, AA, CR2, CR123A, 18650, 21700, etc...
Dimension diagram:
Contents:
2x Battery contacts