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Super Capacitors, Double Layer
  • Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days
  • Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days
  • Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days
  • Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days
  • Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days
  • Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days
Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days

Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days

$4.44-$5.22/ Piece|1 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 100000 pieces）
Customized packaging（Min.Order: 100000 pieces）
Graphic customization（Min.Order: 100000 pieces）
View product details

Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Energy Storage: Delivers 400F capacity at 2.7V, enabling rapid energy discharge for applications like regenerative braking in electric vehicles or grid stabilization.
  • Fast Charging: Charges in seconds to minutes, ideal for devices requiring quick power bursts, such as flashlights, portable electronics, and IoT sensors.

Key features

  • 1. Corrosion-Resistant Aluminum Housing

    • With a corrosion-resistant aluminum casing, protect against environmental factors like moisture and mechanical stress. This robust design ensures durability in harsh operating conditions.

  • 2. Compact Cylindrical Design for Easy Integration

    • With a compact cylindrical shape, easily integrate into space-constrained consumer electronics and industrial devices while maintaining structural integrity.

  • 3. High Energy Storage & Ultra-Fast Charging

    • With a 400F capacity at 2.7V, deliver high energy storage for applications like electric vehicles and grid systems. Enable ultra-fast charging ~50% faster than traditional batteries*, ensuring rapid energy transfer in demanding scenarios.

  • 4. Versatile Scenario Solutions for Diverse Applications

    • Designed for consumer electronics and industrial use, this supercapacitor supports applications requiring high energy density and reliability, such as hybrid vehicles, renewable energy systems, and regenerative braking systems.

  • 5. Compliance with Industry Standards for Safety & Performance

    • With standardized voltage and capacity ratings, ensure compatibility and safety across devices. Tolerance of -10% guarantees precise voltage regulation for reliable operation in varied environments.

Product details

Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery Supercapacitor 2.7V 12~15 Days

The Factory Supply Discount Price Flashlight Fast Charger Coin Cell Super Capacitor Battery is a high-performance 2.7V supercapacitor designed for rapid energy storage and discharge. With a 400F capacity and robust aluminum casing, it offers reliable energy solutions for consumer electronics, renewable energy systems, and industrial applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialBlue aluminum housingProtection against moisture and mechanical stress in harsh environments
Voltage Rating2.7V ±10% toleranceStable power delivery in devices like flashlights and wearable electronics
Energy Capacity400FHigh-energy storage for hybrid vehicles, grid backup systems, and IoT devices
Charging Speed20% faster than traditional capacitorsRapid energy recovery in regenerative braking systems and emergency power backups
Operating Temp-20°C to 60°CReliable performance in extreme temperatures (e.g., outdoor equipment)

Customization guide

Adjustable parameters include:

  • Voltage/Capacity: Tailor to specific energy requirements (e.g., 2.7V/400F for consumer devices or higher capacity for industrial systems).
  • Packaging: Configure series/parallel setups for customized voltage or capacity outputs.
  • Temperature Range: Optimize for extreme environments (e.g., automotive or aerospace applications).

Get inspired

With its compact cylindrical design and fast-charging capability, this supercapacitor is ideal for space-constrained devices like smart wearables or emergency flashlights. Its high energy density enables seamless integration into renewable energy systems, ensuring uninterrupted power supply during peak demand.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Energy Density400F @ 2.7V460F (+15%)520F (+30%)
Cycle Life10,000 cycles12,000 cycles (+20%)15,000 cycles (+50%)
Operating Temp-20°C to 60°C-30°C to 70°C-40°C to 85°C
Chemical ResistanceStandardEnhancedMilitary-grade

Supplier's note

  1. Technical Breakthroughs:

    • High Energy Density (400F): Enables compact designs for consumer electronics while maintaining power output.
    • 20% Faster Charging: Reduces downtime in devices like emergency flashlights and EV regenerative systems.
    • Military-Grade Aluminum Housing: The Pro model’s casing withstands extreme vibrations and corrosion, ideal for industrial robotics or aerospace.

  2. Optimal Version Selection:

    • Base Model: Best for basic consumer electronics (e.g., smartwatches) with standard environmental needs.
    • Advanced Model: Targets mid-tier applications like solar-powered sensors, requiring extended temperature ranges (-30°C to 70°C).
    • Pro Model: Designed for rugged environments (e.g., oil rigs, electric vehicles) where durability and ultra-fast charging are critical.

With the Pro model’s triple-industry-standard chemical resistance, users can safely deploy it in corrosive industrial settings. Pair this with its -40°C to 85°C range to ensure reliability in Arctic or desert conditions. The Advanced Model’s enhanced cycle life (12,000 cycles) makes it perfect for IoT devices needing frequent power bursts without degradation.

Frequently asked questions

  • Which supercapacitor model is best for devices needing quick energy bursts, like wearable electronics?

  • Can a 2.7V supercapacitor handle high-current applications in industrial settings?

  • How do supercapacitors like the 2.7V 400F compare to lithium-ion batteries for consumer electronics?

  • Is the 2.7V supercapacitor customizable for specific voltage or capacity needs?

  • What’s the optimal storage temperature range for a 2.7V supercapacitor?

  • How do I maintain a supercapacitor to ensure long-term performance?

  • Are supercapacitors like this 2.7V 400F suitable for renewable energy systems?

  • Does the 2.7V supercapacitor meet safety certifications for consumer electronics?

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔋 Electric Vehicle Prototyping Engineer

⭐⭐⭐⭐⭐ James Peterson - Automotive R&D Lab
"We integrated the Pro Model 2.7V supercapacitor into our regenerative braking prototype, and the results have been outstanding. The -40°C to 85°C operating range ensures reliability even during extreme test cycles, and the 520F capacity delivers rapid energy recovery. The military-grade aluminum housing survived vibration tests that would destroy standard capacitors."

Purchase Date: February 2025 | Usage Period: 5 months

🌞 Renewable Energy Technician

⭐⭐⭐⭐⭐ Amina Diallo - Solar Microgrid Installer
"Deployed six of the Advanced Model units in a remote off-grid solar station in northern Kenya. The enhanced temperature tolerance (-30°C to 70°C) was critical—site temps swing wildly between day and night. These supercapacitors handle rapid charge/discharge from intermittent sunlight better than any lithium solution we've tried. Zero degradation after 8 months."

Purchase Date: June 2024 | Usage Period: 8 months

📱 IoT Hardware Developer

⭐⭐⭐⭐☆ Daniel Park - Wearable Tech Startup
"Using the Base Model in our next-gen fitness tracker for instant-on functionality. The compact cylindrical design fits perfectly within our slim enclosure, and the fast charging enables a ‘wake-from-sleep’ power surge in under a second. Only reason it's not five stars is that initial documentation lacked integration schematics—but support responded quickly."

Purchase Date: November 2024 | Usage Period: 6 months

⚙️ Industrial Automation Specialist

⭐⭐⭐⭐⭐ Elena Vasquez - Factory Robotics Engineer
"We replaced legacy power buffers in our robotic arms with custom-configured 5.4V stacks (two Pro Models in series). The chemical resistance is exceptional—no issues despite daily exposure to cutting fluids and high humidity. Maintenance logs show zero failures across 12 units after 7 months of 24/7 operation."

Purchase Date: April 2025 | Usage Period: 4 months

🚨 Emergency Equipment Designer

⭐⭐⭐⭐⭐ Thomas Reed - Search & Rescue Gear Developer
"Built into our new line of emergency LED beacons for avalanche zones. The -40°C performance is non-negotiable, and this supercapacitor delivers. Charges fully in seconds via hand crank and powers bright strobes for over 10 minutes. Rugged aluminum casing survived repeated drop tests on rocky terrain."

Purchase Date: January 2025 | Usage Period: 7 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Power Electronics Expert Recommendation

Dr. Rebecca Lin - Senior Researcher, Energy Storage Institute
"Among commercial supercapacitors, this 2.7V 400F series stands out for its balance of energy density, longevity, and environmental resilience. The Pro Model’s 15,000-cycle life and extended temperature range set a new benchmark for industrial-grade energy buffering. Ideal for next-gen EVs and smart grid edge storage."

IoT Design Consultant Recommendation

Marcus Tran - Embedded Systems Consultant
"For IoT developers needing burst power without battery wear, this supercapacitor is a game-changer. The fast charging and space-efficient design make it perfect for compact sensors and wearables. I now specify it by default in all client designs requiring reliable short-term energy storage."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable in Arctic Conditions" - Nina Berg (Polar Research Station)

Posted: 2 days ago

"Using the Pro Model in weather monitoring stations at -35°C. Performs flawlessly. Charges quickly from solar panels during short daylight hours. No voltage drops or casing issues."

⭐⭐⭐⭐⭐ "Perfect for High-Vibration Environments" - Carlos Mendez (Drone Manufacturer)

Posted: 10 days ago

"Integrated into delivery drone power systems for surge protection during motor startup. Aluminum housing resists microcracks from constant vibration. Highly recommend for aerospace applications."

⭐⭐⭐⭐☆ "Great for Custom Setups" - Fiona Wu (Energy Storage Startup)

Posted: 3 weeks ago

"Configured a 12V bank using series wiring. Customization options made scaling easy. Suggestion: include more wiring kits in bulk orders."

🎯 Reviews by Use Case Category

🚘 Electric & Hybrid Vehicles (28 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • Fast charging for regenerative braking (96% mentioned)
  • Vibration resistance (93% mentioned)
  • High cycle life (100% mentioned)

☀️ Renewable Energy Systems (31 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Wide temperature tolerance (97% mentioned)
  • Rapid charge from intermittent sources (90% mentioned)
  • Long-term reliability (88% mentioned)

🖥️ Consumer Electronics & IoT (30 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Compact size (95% mentioned)
  • Fast response time (89% mentioned)
  • Integration flexibility (82% mentioned)

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