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The Best Buy Ultracapacitor of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Buy Ultracapacitor of 2022. Check our ranking below.

2,337 Reviews Scanned

Rank No. #1
10Pcs 2.7V 500F supercapacitor - high-Performance supercapacitor 35x60mm Blue
  • High Capacity: Each capacitor has a capacity of 500F, allowing for efficient energy storage.
  • 2.7V Voltage: Operates at a safe voltage of 2.7V, ensuring reliable and stable performance.
  • Ultra Compact Design: Measuring at 35x60mm, these capacitors are small in size yet powerful in functionality.
  • Reliable Power Source: Provides a quick and reliable power source for various electronic devices.
  • Versatile Applications: Ideal for use in portable power supplies, energy storage systems, and other electronic projects. Long Lifespan: Built to last, these super capacitors have a long lifespan, reducing the need for frequent replacements. Rapid Charging and Discharging: Offers fast charging and discharging capabilities, allowing for quick energy release. Low ESR: Equipped with low Equivalent Series Resistance (ESR), ensuring efficient energy transfer.
Rank No. #2
SUREPHON 45+10 uF 45/10 MFD ±5% 370V/440VAC Dual Run Start Capacitor CBB65 Works for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
  • Designed to work 15 years more. Excellent quality with 5 years guarantee
  • Capacitor dimension: Diameter(63.5 mm/2.5 inch) Height(105 mm/4.13 inch)
  • Air conditioner capacitor 45+10MFD available for both 370VAC / 440VAC,A Class , 10000 AFC
  • Operating temperature range -40 to +70 ℃/ -40F to 158F
  • UL approved :E325324 (Certificate No.)
Rank No. #3
BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight
  • BOJACK 35+5uF ±6% 370V/440V CBB65 Dual run circular start capacitor
  • Capacitor dimension: Diameter<1.97 inch>, Height <4.14 inch>
  • Operating temperature: -40 ℃ to +70℃/-104℉to+158℉
  • Safety rated: 10,000 AFC
  • Three terminals on the top are labeled "Herm"/"H" for the compressor motor, "Fan"/"F" for the fan, and "C" for the common line.
Rank No. #4
JCCON 10-Pack 50V 4.7uF Premium Quality Low ESR Electrolytic Capacitors 5x11mm (0.2x0.43in), 50Volt 4.7MFD High-Frequency Caps with Superior Performance
  • Lead spacing 2mm / Lead Diameter 0.5±0.1mm. Operating Temperature Range: -40℃ ~ +105℃ . Capacitance Tolerance: electrolytic ±20%
  • Low ESR (Equivalent Series Resistance): These capacitors typically have low ESR values. Low ESR is crucial in many electronic applications, especially in power supply circuits, as it helps minimize energy losses and improves the efficiency of the capacitor
  • High Ripple Current Handling: These capacitors are designed to handle high ripple currents effectively. Ripple current is the AC component superimposed on the DC voltage in a circuit, and capacitors with high ripple current ratings are essential for applications where stable and smooth power supply is required
  • Long Life:Long operation life,more than 3000 hours(105C).Although the life of this component is attributed to the evaporation of its electrolyte, its life can be expected to exceed ten years when used under the appropriate temperature conditions
  • High Temperature Tolerance:These capacitors are often designed to withstand higher operating temperatures. This is particularly beneficial in applications where the components are exposed to elevated temperatures, ensuring the capacitor's stability and performance under varying environmental conditions
Rank No. #6
ZYAMY 10PCS Super Capacitor 2.7V 1F Farad Capacitor Winding Type Energy Storage Device Used for Vehicle Backup Energy Storage Brake Board Detonator Car Dashcam Smart Instruments 8x12mm
  • Includes 10 pieces of 8x12mm (0.31x0.47in) supercapacitor 2.7V 1F farad capacitor wound accumulators.
  • Farad Capacitor 2.7V/1F, Winding Type, Single, High Capacity, High Power.
  • High energy and high current, flame retardant, insulated, good frequency characteristics, strong overload capacity, stable performance, strong resistance to shock current, high reliability.
  • Low leakage, long service life, high temperature resistance, low temperature rise, strong adhesion, low loss, low leakage, safety, good self-healing performance, reliable use.
  • Typical applications: gates, detonators, automotive recorders, intelligent instruments, vacuum switches, digital cameras, motor drives, motors, clock circuits, UPS, toys, programmable switches, etc.
SaleRank No. #7
BlueStars 460-552 uf MFD 50/60 Hz 110-125 VAC Volts Round Start Capacitor - Universal Fit for Air Conditioner and Other Electric Motor Applications - Pack of 1
  • 100% LIFETIME PROTECTION: Enjoy reliable performance with our lifetime protection, ensuring that your product will always be covered for any defects or issues that may arise.
  • PART NUMBER: 460-552 uf/ MFD 110-125V VAC Round Start Capacitor.
  • FUNCTION: This part protects vital components of your air conditioner by significantly reducing the amount of time. It helps your air conditioner and compressor bear ½ the stress, strain and heat each and every time it starts. Before you replace your air conditioner, try adding a start capacitor. The 460-552uf Start Capacitor might save you from wasting thousands of dollars to buy a new air conditioner or compressor. It’s a wise investment to install a Start Capacitor.
  • EASY TO INSTALL: These Start Capacitors are designed specifically for the replacement of OEM single-phase motor capacitors. They are compatible with most Air Conditioners’ brands. All units are PCB-free.
  • PREMIUM QUALITY: The replacement part is made from durable high quality material and well-tested by the manufacturer.
Rank No. #8
VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
  • VEXUNGA 45+5 uF ±6% 370/440 VAC CBB65 dual run start capacitor replacement for BOTH 370 & 440 Volt capacitors.
  • 45/5 MFD Capacitor size measures ( 2.36inch / 60mm ) in Diameter x ( 3.35inch / 85mm ) in Height.
  • Operating temperature: -40℃ to +70℃/-104℉ to +158℉. Frequency: 50/60 Hz. Safety rated: 10,000 AFC - Available Fault Current.
  • Compliant with the TOUGHEST U.S. standards for AC motor run capacitors including EIA-456-A Specifications and IEC 60252-1:2001 - UL & CUL Listed.
  • 45/5 uF Capacitor Replacement for 97F9895 , Z97F995 , 97F9895BZ3 , 27L880 , TRCD455 , TRCFD455 , PRCFD455 , 27L889 , 97F9851 , 97F9851S , 12788 , RC0114 , Z97F9895 , 97F9895 , TT-CAP-45/5/440R , HC98KA046 , TP-CAP-45/5/440R , CAP050450440RT , HC98JA046 , HCKS450D050R440Z , 00662441180262.
Rank No. #9
ALLECIN 24 Values Electrolytic Capacitor Assortment Kit from 0.1uF to 1000uF 10V 16V 25V 50V in-line Aluminum Capacitors Set
  • ALLECIN Electrolytic Capacitors Kit contain 24 Different Values In-line Aluminum Capacitors - Perfectly suitable for variety electronic experiments.
  • Features & Advantages : Large capacity and small size. Ripple current resistance - small loss tangent, small leakage current, low internal resistance and low ripple.
  • Dielectric material: aluminum electrolytic. Lead description: long lead = positive "+"; short lead = negative "-".
  • Wide Application : In-line electrolytic capacitors are widely used in household appliances and various electronic products, and are also very suitable for DIY circuit boards.
  • Humanized packaging for easy storage and use. # Please confirm the capacitance, voltage and volume before purchasing.
Rank No. #10
Cermant 10 pcs 8X12mm(0.31x0.47in) Super Capacitor 2.7V 1F Farad Capacitance Winding Type Energy Storage for On Board Backup Energy Storage
  • Farad capacitance 2.7V/1F,Winding Type,Monomer,High capacity,High power
  • High energy and high current,Flame retardant, insulation, good frequency characteristics ,Strong overload capacity, stable performance,High impact current resistance and reliability
  • Low leakage and long service life,High temperature resistance, low temperature rise and high adhesion,Low loss, low leakage, safety, good self-healing performance and reliable use
  • Typical applications: ram, detonator, automobile recorder, intelligent instrument, vacuum switch, digital camera, Mada drive,Motor, clock circuit, UPS, toys, SPC exchange, etc
  • Package:10pcs 2.7V 1F Farad Capacitance

Last update on 2025-05-26 / Affiliate links / Images from Amazon Product Advertising API

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