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China Suppliers Factory: Fully Automated AA Battery Connectors with Zero Spring Detachment and High Reliability
Product Application
Application
We rely on self-developed intelligent production equipment as the core, adopting bridge riveting technology to ensure fully automated and highly consistent spring assembly. More than 40 machines operate in coordination, supporting a robust daily delivery capacity of over 2 million sets.
Application
Using bridge riveting technology, the spring remains secure and never loosens. Strict control over verticality and flatness provides reliable support for automated assembly.
Application
Every model of universal AA battery contact spring is developed through strict material and process selection, achieving tiered salt spray corrosion resistance of 24, 48, or 72 hours. Additionally, each plated batch is required to pass solderability testing to validate its performance.
Design Parameters
| Product Name | Universal AA Battery Connector |
| Model | 027D、027L |
| Material | SPCC + Steel Wire |
| Specifications & Dimensions | 14×12mm；29.6×12mm |
| Surface Treatment | Nickel Plating |
| Neutral Salt Spray Test | 24H |
| Feature | Fully Automated Production |
| Eco-Certification | RoHS, REACH |
Product Introduction
ⓘOur universal AA battery spring contacts feature a durable bridge-riveted design and are manufactured using fully automated processes, ensuring a daily production capacity of over 2 million units. They are characterized by their secure spring retention, high verticality, and superior metal flatness. Furthermore, these contacts demonstrate excellent weldability and have passed a rigorous 24-hour neutral salt spray test, guaranteeing reliability and longevity.
Frequently Asked Questions
Q
What is bridge riveting technology, and why is it used in AA battery spring contacts?
Bridge riveting is a precision joining method that mechanically locks the spring to the contact base, ensuring it remains permanently secure without loosening under repeated use. It also delivers superior verticality and flatness, which are critical for reliable automated assembly in battery-powered devices.
Q
What models are available for the universal AA battery connector, and what are their dimensions?
The universal AA battery connector is available in two models: 027D and 027L. Their respective dimensions are 14×12mm and 29.6×12mm, allowing them to accommodate different device configurations and battery compartment layouts.
Q
What surface treatment is applied, and what corrosion resistance level does it achieve?
The contacts undergo nickel plating as their surface treatment. Depending on the model and application requirements, tiered salt spray corrosion resistance of 24, 48, or 72 hours can be achieved. Each plated batch is also required to pass solderability testing to confirm consistent performance.
Q
What is the production capacity, and how is consistency maintained?
With more than 40 dedicated machines operating in coordination using self-developed intelligent production equipment, the facility supports a daily delivery capacity of over 2 million sets. The fully automated bridge riveting process ensures that every unit meets strict quality and consistency standards without manual intervention.
Q
Do these battery contacts comply with environmental and safety certifications?
Yes, the universal AA battery connectors are certified compliant with both RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) directives, making them suitable for use in environmentally regulated markets worldwide.
Q
What base materials are used in the construction of these AA battery spring contacts?
The AA battery spring contacts are constructed using SPCC (cold-rolled steel sheet) combined with steel wire. This material combination provides excellent mechanical strength, reliable spring resilience, and a stable base for the nickel plating surface treatment, ensuring long-term durability in demanding applications.