How long can we POTA before the Bioenno dies?

Discussion in 'Amateur Radio News' started by KD9LFZ, Mar 10, 2021.

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  1. KD9LFZ

    KD9LFZ Ham Member QRZ Page

    Today Becca (KD9POK) and I activated park K-1477 in an attempt into use our Bioenno til it died... unfortunately I dramatically underestimated the life span of the battery! It was still a successful POTA though with lots of fun involved!
    LANCEB, KC3RAA, N9AK and 17 others like this.
  2. WD4ELG

    WD4ELG Ham Member QRZ Page

    Good video, Ladies. Well done.

    Xiegu G90 current draw specs from Xiegu G90 HF transceiver 20W SSB/CW/AM/FM 0.5-30MHz SDR Radio w/ Antenna tuner– Radioddity

    Receive current draw: 500mA
    Transmit current draw: 8A max

    15 Ah battery. 15 amp-hours x 60 minutes per hour = 900 amp-minutes.

    If we assume even a 50% duty cycle of a POTA pileup going non-stop (this would be great but very unusual), that would consume 8A for 30 minutes and 500 mA for minutes. That's a 4.25 amp-hours, which the battery should be able to handle for about 3.5 hours.

    And that's a very high transmit rate. Something like FT8 50% duty cycle.

    Question- did the DX Commander get affected by having it right next to the park sign? Probably not much, I had my MA4080V lashed to a bradford pear tree (wrapped in electrical tape) and it seemed to work "OK" (as in, I did not have anything to reference it to, and I was able to talk to people, so I did not know any different...but the water in the tree might have attenuated the signal).
    W1YW likes this.
  3. 2E0TWD

    2E0TWD Platinum Subscriber Platinum Subscriber QRZ Page

    Great video Ladies, I love to see your enthusiasm.
  4. K9GLS

    K9GLS Ham Member QRZ Page

    Bioenno has 2 great pdf files that are buried in the FAQ section with a question: "I'm a ham operator what battery do I choose?" They have charts on 80/20 use and 50/50 "field day" use. Great to have those files saved to my documents. But I'm sure the math lesson was appreciated to.
    AK5B likes this.
  5. KA1LWR

    KA1LWR Ham Member QRZ Page

    I love this so much...They pick up our spirits and have lots of fun....Keep it going..
    AJ6KZ, 2E0TWD, N2AMM and 2 others like this.
  6. 2E0HVK

    2E0HVK XML Subscriber QRZ Page

    Does nobody say "hello" anymore? I can tell you "what is up" with me but it would take ages and I suspect you're not really interested in my troubles. Are you?

    Just try a "Hello, I hope you're all doing well, thank you for your interest in my video" or similar at the start of your video next time.

    Just a sugestion.
  7. K9GLS

    K9GLS Ham Member QRZ Page

    She does... she starts with "Hey guys, what is up?" Maybe you need to pay attention better? Or here's an idea create some content of your own so the world can critique every word you bather.
    K5HS, K4VOZ, KT4ZE and 13 others like this.
  8. K4PCD

    K4PCD XML Subscriber QRZ Page

    What is the DX Commander Antenna? I am not familiar with it. I want to start portable operations and looking for some antenna options that are easy to set up.
  9. WD4ELG

    WD4ELG Ham Member QRZ Page

  10. K5JM

    K5JM XML Subscriber QRZ Page

    Great learning lessons. I have the 30 aH Bioenno battery...and usually operate at 100 W voice SSB and CW. Even at full power I get tired before the battery gets depleted! Full power CW consumes more battery life but even then I could get 2-3 hours easily with still more juice left. I went with the philosophy of not wanting to need to bring solar for a one day kind of this has worked well for me.
    N9AK, KI5AAI, AK5B and 2 others like this.

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