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Most users ever online was 180 on Tue Nov 05, 2019 6:03 am

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» ExpressLRS - 868/915 Mhz equipment
Wireless charging EmptyToday at 12:26 pm by geofrancis

» Flight controllers as sub levelers
Wireless charging EmptyTue Nov 21, 2023 9:38 am by geofrancis

» Bournville 2023
Wireless charging EmptyMon Nov 13, 2023 8:24 pm by Tom(ADMIN)

» Raspberry Pi Pico + ePaper display hat
Wireless charging EmptyFri Nov 10, 2023 11:25 am by SimonH

» WW2 mini sub build
Wireless charging EmptyFri Nov 10, 2023 11:22 am by SimonH

» Help with 1:48 scale WW2 German U boat
Wireless charging EmptyWed Nov 08, 2023 8:26 pm by tsenecal

» Problem with Futaba FX-30 and 40 MHz module
Wireless charging EmptyMon Nov 06, 2023 2:53 pm by david f

» Resurgam, Nordenfelts II & IV - George Garrett's works.
Wireless charging EmptyMon Nov 06, 2023 2:48 pm by david f

» Letter to BMFA to request the sharing of the 35MHz frequency for model subs in the UK.
Wireless charging EmptyWed Nov 01, 2023 5:22 pm by geofrancis

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    Wireless charging

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    geofrancis


    Posts : 258
    Join date : 2021-09-24

    Wireless charging Empty Wireless charging

    Post  geofrancis Wed May 10, 2023 5:46 pm

    I have been looking at ways of charging the sub without having to remove the battery. has anyone tried embedding a wireless charging receiver into the hull so it just needs a wireless charger to be in proximity of it ? they can charge up to around 10 watts but even half that would be fine for slow charging since im not planning on having it out every day.

    https://www.ebay.co.uk/itm/125272441534
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    tsenecal
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    Posts : 295
    Join date : 2015-04-01

    Wireless charging Empty Re: Wireless charging

    Post  tsenecal Wed May 10, 2023 6:55 pm

    i am not against leaving the battery in place while charging, but NEVER charge a battery in a sealed space. they vent gases, some of which are toxic, some of which are explosive (sealed lead acid and agm batteries vent hydrogen)
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    geofrancis


    Posts : 258
    Join date : 2021-09-24

    Wireless charging Empty Re: Wireless charging

    Post  geofrancis Wed May 10, 2023 9:14 pm

    tsenecal wrote:i am not against leaving the battery in place while charging, but NEVER charge a battery in a sealed space.  they vent gases, some of which are toxic, some of which are explosive (sealed lead acid and agm batteries vent hydrogen)

    I haven't used anything but lithium for over 10 years. It would be getting a lithium pack. I wouldnt use lead batteries these days for anything unless you really need the ballast. They aren't cheap and if you're worried about fire there are LiFe cells that are much less reactive. I have sank boats so many times they might as well have been submarines, but with all the electronics conformal coated it never stopped working, even with gouges cut out of lithium cells by motor couplings they would just fizz a little.

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