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Fully Automated AA Battery Connectors from China: Reliable Suppliers & Factory with Zero Spring Detachment
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 for AA battery spring contacts?
Bridge riveting technology is a precision joining method that mechanically locks the spring to the contact base without welding. It ensures the spring never loosens during use, maintains strict verticality and flatness tolerances, and is fully compatible with automated assembly lines — making it ideal for high-volume, high-reliability battery connector production.
Q
What models are available for the universal AA battery connector, and what are their dimensions?
Two models are available: 027D with dimensions of 14×12mm and 027L with dimensions of 29.6×12mm. Both models are manufactured from SPCC steel sheet combined with steel wire and finished with nickel plating.
Q
What level of corrosion resistance do these AA battery contacts provide?
These contacts are designed to meet tiered salt spray corrosion resistance standards of 24, 48, or 72 hours depending on the model and surface treatment specification. Each production batch undergoes a neutral salt spray test to verify performance before shipment.
Q
Are these battery connectors compliant with environmental and safety regulations?
Yes. All universal AA battery connectors are certified under RoHS (Restriction of Hazardous Substances) and REACH regulations, confirming that no restricted hazardous substances are used in the materials or manufacturing processes.
Q
What is the production capacity and how is consistency maintained across batches?
The facility operates more than 40 dedicated automated machines, achieving a daily output of over 2 million sets. Consistency is maintained through fully hands-free bridge riveting using self-developed smart equipment, eliminating human error and ensuring uniform quality across all production batches.
Q
Do these contacts support soldering, and how is solderability validated?
Yes. Each plated production batch is required to pass a dedicated solderability test to validate wettability and bonding performance. This ensures the contacts are fully compatible with standard PCB soldering processes used in consumer electronics and industrial applications.