# Spring-type contact set, dual port, for DIY batteries

> Spring-type contact set (leaf spring), dual port, made of nickel-plated steel, snap-on fitted onto the end of cylindrical battery casings A, AA, CR2, CR123A, 18650. Provides good conductivity, corrosion resistance and constant pressure on the battery, reducing contact loss from vibration. Suitable for battery holders, chargers and DIY projects. Reference 88212.

- Page: https://sigmanortec.ro/en/spring-type-contact-set-dual-port-for-diy-batteries
- Price: 4.77 RON
- Availability: In stock; 1-2 zile
- Reference: 88212 · EAN: 5944446959773
- Category: Electronic components > Battery > Battery Accessories
- Specifications: Contact type: Arc; Number of ports: 2; 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 dual-port contacts for DIY batteries, made of nickel-plated steel for good conductivity and corrosion resistance. They snap on by pressure to the end of the casing of cylindrical A, AA, CR2, CR123A, and 18650 batteries, providing a secure and detachable connection. The spring maintains constant pressure and reduces interruptions from vibration, ideal for holders, chargers, and portable devices. Includes 2 dual contacts.
Leaf spring battery contacts, dual-port, made of nickel-plated steel, providing good conductivity and corrosion resistance.
They are designed to snap onto the end of cylindrical battery casings in 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.
Specifications:
Type: Leaf spring, snap-on
Material: Nickel-plated steel
Battery compatibility: A, AA, CR2, CR123A
Dimensions diagram:
Contents:
2x Dual contact