BIGCAP® Fully sealed Supercapacitor: BMHT5R5L155FAW-EX
State Grid Winding Combination Series | Ultra-Long Lifespan & Extreme Environment Resilience
The BMHT5R5R155FAW is an advanced electric double-layer capacitor (EDLC) from BIGCAP®’s State Grid-certified series, designed for mission-critical industrial systems. Combining ultracapacitor efficiency with supercapacitor durability, it adheres to IEC 62391-1 and ROHS/REACH standards, offering unmatched energy storage stability, ultra-low self-discharge, and seamless operation across -40°C to +85°C.
Super capacitor Key Technical Specifications
| Parameter | Value | Test Condition |
| Rated Voltage | 5.5V DC | 25°C |
| Rated Capacitance | 1.5F (±10%~+30%) | ΔV=4.0-2.0V, 50mA |
| Max Current | 2.0A | 1S discharge to 2.75V |
| Leakage Current (72h) | <8µA | 25°C, rated voltage |
| Energy Density | 1.13 Wh/kg (Gravimetric) |  |
| Power Density | 3.04 kW/L (Volumetric) |  |
| Cycle Life | >500,000 cycles | 25°C, ΔC/C ≤30%, ESR ≤4× initial value |
| Operating Temperature | -40°C to +85°C | Compliant with IEC 62391-1 |
Super capacitor Core Advantages
✅ Ultra-Long Service Life
500,000+ charge-discharge cycles with ≤30% capacitance degradation.
Stable performance under prolonged high humidity (40°C, 95%RH for 240h) and thermal stress (85°C/85%RH for 1,000h).
✅ Double-Layer Supercapacitor Efficiency
<8µA standby leakage ensures energy retention for backup systems.
Low ESR design: AC@1kHz 400mΩ | DC 600mΩ for rapid charge/discharge.
✅ Extreme Environment Ready
Ultracapacitor-grade thermal resilience: ≤30% capacitance drift at -40°C/+85°C.
ROHS-compliant construction, free from hazardous Cd/Pb.
✅ Compact Powerhouse
Energy density: 1.52Wh/L | Mass: 5.6g | Footprint: 18×9.6×24mm
Supercapacitor Typical Applications
Industrial Ultracapacitor Systems: Smart grid buffers, IoT sensor networks.
Renewable Energy Storage: Solar/wind EDLC arrays for load balancing.
Transportation: Regenerative braking in EVs, hybrid engine support.
High-Stress Environments: Robotics, aerospace power backup.
Usage Guidelines
⚠️ Critical Notes
Polarity: Short-term reverse polarity is tolerable but avoid prolonged use.
Charging: Use DC voltage ≤5.5V; limit current/power for optimal lifespan.
Installation: Avoid PCB traces contacting capacitor terminals. Solder at ≤260°C for ≤5s.
Storage: 15–35°C, 40–70%RH. Keep away from organic solvents.
20+ Years Expertise: Trusted by State Grid and global industrial partners.
Custom Solutions: Support for series/parallel configurations (with balancing circuits).
Global Compliance: Full documentation and technical support.
Contact BIGCAP®
📍 High-Tech Industrial Park Phase2, Chaoyang, Liaoning, China
BIGCAP is a professional manufacturer of supercapacitor based in China. Established in 2013, BIGCAP has grown steadily over decade years. With plant area of 12000 square meters, expanding our operations and diversifying our product range over 300 series. Today, we have a strong presence in both domestic and international markets, serving customers in over 50 countries.
1. Fast charging and discharging time； 2. Long Cycle life over 500,000 times； 3. High power density； 4. Wide temperature range:-25℃~+85℃； 5. Low maintenance； 6. Environmentally friendly. 7.Comply with REACH & ROHS Satandard
We offer 10 pcs free samples per series for your evaluation and the buyer cover the express cost.
BIGCAP produce supercapacitor, also known as ultracapacitor or double-layer capacitor, is an energy storage device that can store and release energy much faster than a conventional battery. BIGCAP mainly produce Coin type/ Winding Type,/ Modules Type/ Lithiun Ion Type and Hybrid Type Supercapacitor.
From Smart Meter(Electric Meter/ Water Meter/ Gas Meter), Microgrid, Rail Transit, New Energy(Wind Energy/ Solar Energy), Electric Vehicles, Medical Equipment, UPS, Energy Harvesting Systems, Industrial Power Backup, our products can be used in various industries and applications.
