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YUTOKEER 2.7V 500F Capacitor, Metal Foil, Round, Snap-In Mount, 35x60mm, 500F, 2.7V, -40°C~60°C, 10mΩ ESR, 2Pcs, Auto Rectifier, Speaker, Battery, DIY

Q: these caps do not hold a charge. I chargedthem to 2.5v, 5 minutes later the charge was 0v. both caps are faulty?

Your 2 particular caps may be faulty. I tested 6 caps and after charging them to 2.5V, they did loose the charge down to 1.0V overnight, some held more charge than others so, I graded them from 1 (lowest leak) to 6 (most leaky). I'm still learning about "super caps", so not able to give a comprehensive answer yet. My application, requires the charge to be discharged in less than a minute, so the long term leakage has no adverse effect.

4.5/5

Product ID: 232004876

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Details

Capacitance
500 Farad
Brand
YUTOKEER
Material
Metal
Shape
Round
Equivalent Series Resistance
1E+1 Milliohms

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Description

YUTOKEER 2.7V 500F Capacitor, Metal Foil, Round, Snap-In Mount, 35x60mm, 500F, 2.7V, -40°C~60°C, 10mΩ ESR, 2Pcs, Auto Rectifier, Speaker, Battery, DIY

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these caps do not hold a charge. I chargedthem to 2.5v, 5 minutes later the charge was 0v. both caps are faulty?

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