How to Source High-Quality Button-Type Supercapacitor Suppliers: A Strategic Guide for B2B Buyers

In today’s fast-evolving electronics and energy storage markets, button-type supercapacitors are increasingly vital components in applications ranging from IoT devices and wearables to medical equipment and smart meters. As demand grows, so does the need for reliable, high-performance suppliers capable of delivering consistent quality at competitive prices. This guide equips procurement managers and business buyers with actionable insights on sourcing top-tier button supercapacitor suppliers—focusing on key regions, evaluation criteria, supplier comparisons, and strategic pricing considerations.

Top Manufacturing Hubs for Button-Type Supercapacitors

China remains the global leader in button supercapacitor production, with Guangdong Province serving as the epicenter of manufacturing excellence. Cities like Shenzhen and Dongguan host dense industrial clusters that integrate component manufacturing, R&D innovation, and logistics networks. These hubs benefit from mature supply chains, access to skilled labor, and proximity to raw material providers, enabling rapid prototyping and scalable production.

Tianjin is also emerging as a notable player, particularly in specialized energy storage technologies. While not yet matching Guangdong's scale, it offers niche capabilities for businesses seeking differentiated solutions. The geographic concentration of expertise and infrastructure in these regions translates into shorter lead times, lower operational costs, and greater flexibility for custom orders—key advantages for global B2B buyers.

Key Criteria for Selecting a Reliable Supercapacitor Supplier

Choosing the right supplier goes beyond price—it involves assessing technical competence, operational reliability, and long-term partnership potential. Below are essential factors to consider during your vendor selection process.

1. Industry Experience and Production Capacity

Manufacturers with over five years of experience typically demonstrate stability and refined processes. Look for companies with documented facility sizes, employee counts, and annual output volumes. For example, Dongguan City Gonghe Electronics Co., Ltd. has been operating for 14 years, indicating deep-rooted industry presence and likely robust internal systems.

2. Compliance with International Standards

Ensure suppliers adhere to critical certifications such as ISO 9001 (quality management), RoHS (restriction of hazardous substances), and REACH (chemical safety). These standards validate environmental responsibility and product consistency. Verified suppliers often publish audit reports or certification documents, offering transparency into their manufacturing practices.

3. Quality Assurance and Testing Protocols

Always request physical or digital samples before placing bulk orders. Test for capacitance stability under varying temperatures, leakage current, cycle life (typically 500,000+ cycles for premium supercapacitors), and voltage tolerance. Third-party lab testing can further confirm performance claims.

4. Operational Performance Metrics

Supplier responsiveness and delivery reliability are strong indicators of service quality:

• Response time: ≤4 hours is ideal; faster response suggests dedicated customer support.
• On-time delivery rate: Aim for ≥97%. Anything below 95% may signal logistical inefficiencies.
• Reorder rate: A rate above 15% reflects customer satisfaction and repeat business.

Comparative Analysis of Leading Button Supercapacitor Suppliers

To help you make informed decisions, we’ve evaluated leading suppliers based on verified data including years in operation, response speed, delivery performance, revenue volume, and customer retention metrics.

Supplier Name	Location	Years Active	Type	Verified?	Review Score	Response Time	On-Time Delivery	Online Revenue	Reorder Rate
Shenzhen Jinmaoyuanweiye Technology Co., Ltd.	Guangdong, CN	12	Supplier	No	5.0	≤1h	100.0%	US $45,000+	15%
Dongguan City Gonghe Electronics Co., Ltd.	Guangdong, CN	14	Manufacturer	No	4.4	≤7h	100.0%	US $3,600+	20%
Shenzhen Hainayu Electronics Co., Ltd.	Guangdong, CN	5	Supplier	Yes	4.8	≤1h	99.8%	US $90,000+	20%
Shenzhen Yukun Technology Co., Ltd.	Guangdong, CN	6	Manufacturer	No	5.0	≤2h	100.0%	US $32,000+	20%
Shenzhen Lorida Technology Co., Ltd.	Guangdong, CN	3	Supplier	Yes	4.8	≤2h	97.8%	US $330,000+	15%
Semtke Electronic Co., Ltd.	Guangdong, CN	3	Supplier	No	4.9	≤4h	100.0%	US $120,000+	42%
Dongguan Zhixu Electronic Co., Ltd.	Guangdong, CN	7	Manufacturer	Yes	5.0	≤5h	100.0%	US $670+	<15%
Shenzhen Wensiqi Trading Co., Ltd.	Guangdong, CN	1	Supplier	No	5.0	≤7h	100.0%	US $8,500+	<15%
Rong Chuang Future (Tianjin) New Energy Co., Ltd.	Tianjin, CN	1	Supplier	No	4.0	≤10h	50.0%	US $800+	<15%

Supplier Highlights and Strategic Insights

Semtke Electronic Co., Ltd. stands out with an exceptional reorder rate of 42%, suggesting outstanding customer satisfaction and product reliability despite being relatively new. Their 100% on-time delivery and high review score (4.9) reinforce this impression, making them a compelling option for buyers prioritizing loyalty and consistency.

Shenzhen Lorida Technology Co., Ltd. leads in sales volume with over US$330,000 in online revenue, reflecting strong market penetration. However, their slightly lower on-time delivery rate (97.8%) warrants closer scrutiny, especially for time-sensitive projects.

Shenzhen Hainayu Electronics Co., Ltd. combines verification status, ultra-fast response times (≤1 hour), and near-perfect delivery performance (99.8%), positioning them as a dependable partner for urgent procurement needs.

Newer entrants like Shenzhen Wensiqi Trading Co., Ltd. show promise with perfect review scores and full delivery compliance but lack third-party verification and have limited reorder history—indicating potential risk until track records mature.

Buyers should approach Rong Chuang Future (Tianjin) New Energy Co., Ltd. with caution due to a low on-time delivery rate (50%) and minimal customer feedback, which could disrupt supply chain operations.

Pricing and Value Comparison Among Top Suppliers

While all listed suppliers offer button-type supercapacitors, there are significant differences in pricing structures, minimum order quantities (MOQs), and value-added services that impact total cost of ownership.

Price Range Overview

Based on publicly available transaction data and quotation trends:

• Budget Tier (US$0.10–$0.30/unit): Includes newer suppliers like Shenzhen Wensiqi Trading and some offerings from Dongguan Zhixu Electronic. Suitable for startups or pilot batches but may require additional QC checks.
• Mid-Tier (US$0.30–$0.60/unit): Represented by established players like Shenzhen Yukun Technology and Semtke Electronic. Offers balanced cost-performance ratios with better warranty terms.
• Premium Tier (US$0.60+/unit): Typically includes verified suppliers with extended warranties, tighter tolerances, and enhanced cycle life—such as select lines from Shenzhen Hainayu Electronics.

Strategic Pricing Considerations

Lower-priced options may seem attractive initially, but hidden costs can arise from:

• Higher defect rates requiring rework
• Limited technical support or customization
• Longer shipping times or inflexible MOQs

For instance, while Dongguan Zhixu Electronic Co., Ltd. offers competitively priced units, their sub-15% reorder rate suggests customers may not return—potentially signaling gaps in post-sale service or long-term reliability.

In contrast, suppliers like Shenzhen Yukun Technology Co., Ltd. command moderate premiums but deliver flawless delivery records and five-star reviews, reducing inventory risk and supporting just-in-time manufacturing models.

Frequently Asked Questions (FAQs)

What is the main disadvantage of a supercapacitor compared to a battery?

Supercapacitors have significantly lower energy density than batteries, meaning they store less energy per unit volume. This makes them unsuitable for applications requiring prolonged power delivery. However, they excel in scenarios needing rapid charge/discharge cycles and high burst power, such as memory backup systems or regenerative braking.

How can I identify the type of capacitor?

Capacitors are labeled with codes indicating capacitance (e.g., 100F), voltage rating (e.g., 5.5V), polarity (+/-), and sometimes ESR (equivalent series resistance). Button supercapacitors resemble small coin cells and usually feature laser-etched identifiers. Always cross-reference datasheets provided by the supplier for accurate identification.

What exactly is a supercapacitor?

A supercapacitor (or ultracapacitor) is an electrochemical energy storage device with capacitance values up to 150 times greater than conventional capacitors. It bridges the gap between traditional capacitors and rechargeable batteries, offering extremely fast charging, long cycle life (over 500,000 cycles), and excellent performance in extreme temperatures.

Do suppliers provide free samples for button-type supercapacitors?

Sample policies vary widely. Some suppliers, especially those targeting OEM clients, offer free samples to qualified buyers. Others charge nominal fees or require initial deposits. For example, many verified manufacturers in Shenzhen—including Shenzhen Hainayu Electronics Co., Ltd.—offer complimentary samples upon request, contingent on NDA agreements and proof of business intent.

Final Recommendations for Procurement Managers

Sourcing button-type supercapacitors requires a holistic strategy that balances cost, quality, reliability, and scalability. Prioritize suppliers with proven track records, transparent operations, and responsive communication. Leverage sample testing and third-party audits to de-risk partnerships, especially when scaling up orders.

For mission-critical applications, favor suppliers with high reorder rates and verification status—even if prices are slightly higher. Over time, reduced downtime, fewer defects, and stronger technical collaboration will yield superior ROI.

By focusing on regions like Shenzhen and Dongguan, leveraging data-driven evaluations, and understanding true total costs, B2B buyers can build resilient supply chains powered by high-performance energy storage components.