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  • April-10 2019 00:23:50

    Quality is OK, but not great. I looses charge rather quickly. In same LOT, there is noticable variance in performance. I charged all 10 to 2.6V, then, periodically, I measured its voltage: Voltage after 3 hours: 1.7 2.2 1.7 1.7 1.7 1.7 1.7 1.7 1.9 2.2 Voltage after 6 hours: 1.7 2.1 1.6 1.7 1.7 1.6 1.6 1.6 1.9 2.2 Voltage after 13 hours: 1.7 2.1 1.5 1.6 1.5 1.5 1.5 1.5 1.7 2.2 Voltage after 24 hours: 1.5 2.0

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  • April-06 2018 13:28:35

    Very good price, free shipping and amazing 2 week delivery to eastern USA. Well done, Banggood! I'm using them along with small DC motors to power very small free flight model airplanes. You can see them fly on the sonex413 channel on YouTube. I would like to see other small size supercapacitors available on Banggood, perhaps 7F, 15F, 20F. Thank You Banggood.

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  • January-27 2019 00:24:17

    have order two batches all looks good. It took a while to reach but I am happy!

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  • December-12 2019 11:51:37

    Ok

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  • December-11 2019 14:12:49

    ok

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  • February-01 2019 09:15:51

    Excellent product at a very good price. We are using these to power model airplanes with small coreless electric motors. The energy storage capacity is amazing. We are charging to 2.8 volts and running a 720 coreless motor with 65mm propeller (both also from Banggood) for up to about a minute! At this price I can build them into the models permanently and just get more when I build another.I plan to experiment with hooking up 2 in parallel to run a slightly larger motor in a slightly larger airplane.

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  • March-08 2018 08:18:00

    Im very surprised how it is possible to stuff such a big power into such a small space. Previous 10F green colored capacitor size was 12 x 24mm. This one is 10 x 24mm. Its a miracle. Keep it up

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  • November-12 2019 12:40:50

    Using these to power free flight model airplanes "capacitor planes" with small coreless brushed motors. Will buy again.

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  • June-29 2019 13:51:10

    They can deliver 500mA for 20 seconds with only a voltage drop of 2.7v to 1.2v, so the calculation is on you. I like them.

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  • November-13 2018 06:14:22

    Still can't believe these numbers. Got a couple project that would benefit from these bad boys

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