Fully Automated Production of High-Quality AA Battery Connectors from China Suppliers and Factory
Product Application
Application
Smart Automated Assembly
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
Secure & Reliable Spring Structure
Using bridge riveting technology, the spring remains secure and never loosens. Strict control over verticality and flatness provides reliable support for automated assembly.
Application
Corrosion Resistance & Solderability Validation
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.
Bridge-Riveted Design — Spring never loosens
Fully Automated Production — 2M+ units per day
High Verticality & Superior Flatness
Excellent Weldability & Solderability
24H Neutral Salt Spray Certified
RoHS & REACH Eco-Compliant
Frequently Asked Questions
Q
What models are available for the universal AA battery connector?
The universal AA battery connector is available in two models: 027D and 027L, with dimensions of 14×12mm and 29.6×12mm respectively, to suit different design and installation requirements.
Q
What material is used in the universal AA battery contact spring?
The contact spring is made from SPCC cold-rolled steel combined with steel wire, providing excellent mechanical strength, consistent conductivity, and long-term durability under repeated insertion cycles.
Q
What surface treatment is applied, and how is corrosion resistance tested?
All battery connectors undergo nickel plating as the standard surface treatment. Corrosion resistance is validated through neutral salt spray testing, with tiered performance options of 24, 48, or 72 hours available depending on the specification.
Q
What is the production capacity and how is consistency ensured?
With over 40 self-developed automated machines operating in coordination, the daily production capacity exceeds 2 million units. The bridge riveting process is entirely hands-free, ensuring highly consistent quality and dimensional accuracy across every batch.
Q
Does the product comply with environmental and safety certifications?
Yes. The universal AA battery connector meets both RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) environmental compliance standards, making it suitable for global markets.
Q
What advantages does bridge riveting technology offer over traditional assembly methods?
Bridge riveting technology ensures the spring is permanently secured and never loosens during use. It also provides strict control over verticality and flatness, which are critical for reliable automated assembly integration and long-term mechanical performance in battery-powered devices.


