Member Since: 21 Oct 2016
Location: kent
Posts: 13672
D3 Key fob charging
So came across a video with regards to key fob charging and thinking of buying one to see if it works
Know the trick of using a wireless toothbrush holder but wondering if anyone else may have tried these watch base chargers plse , including an Apple Watch base
If not will report back as my spare key fob is dead , suppose though there’s no way to see if it’s charges it fully ?
Wished to at least share the link and video in case it’s useful to anyone
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Last edited by gstuart on 26th Apr 2024 11:23 am. Edited 2 times in total
26th Apr 2024 11:13 am
itsaguything
Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 161
Is the battery in your fob a rechargeable battery? Mine isn’t.2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green
26th Apr 2024 11:19 am
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13672
Apologises as should have stated it’s for a D3 , I think the D4’s battery can be replaced whereas mine is a rechargeable battery that’s soldered in
26th Apr 2024 11:23 am
HairyFool
Member Since: 04 Jan 2023
Location: Essex
Posts: 549
When I bought my D3 it came with 2 keys, one useable but the other had no pads left in the case and probably hadn't been used for some time.
I replaced the case but the car was unresponsive to the buttons.
I left it for a couple of days on an Oral-B base then swapped to a different orientation for another day.
After that it would unlock the car so swapped over the blade and the car would then start. It continued to work until I swapped the car
So yes, leaving it on a toothbrush charging base does work.A visitor from the dark side, my other vehicle is an MG5 EV
26th Apr 2024 12:12 pm
WOODY179
Member Since: 01 Jun 2005
Location: Chesterfield
Posts: 3638
I have a Philips toothbrush charger (never used) that doesn't fit my present toothbrush, was going to throw it away, but after reading this will post a for sale advert for it (Free) in case anyone wants it.1996 Discovery 1 300TDI ES Biarritz Blue, sold
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2002 Discovery 2 TD5 ES Buckingham Blue, sold
2005 Discovery 3 TDV6 HSE Adriatic Blue, sold
2006 Discovery 3 TDV6 HSE Zambezi Silver, sold
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26th Apr 2024 2:59 pm
HairyFool
Member Since: 04 Jan 2023
Location: Essex
Posts: 549
Essentially they need an ac driven magnetic field, within certain limits it shouldn't matter too much the source as the charging circuit in the device will only take the power it can handle so any small charging station should work with one caveat.
The simple circuits in the brush just react to the magnetic field present. The more complex devices may feed back a signal to control the ac fields so devices such as a QI phone charger probably wouldn't work. The Qi (chee) standard incorporates a handshaking process and foreign object detection to protect against inductive heating. There is a possibility with a proprietry charger that it would treat a key as foreign and turn off.A visitor from the dark side, my other vehicle is an MG5 EV
26th Apr 2024 5:39 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10383
Well I didn’t know you could handshake with QI
Back to the subject. You can of course charge it by putting it in the ignition barrel
26th Apr 2024 6:47 pm
HairyFool
Member Since: 04 Jan 2023
Location: Essex
Posts: 549
Neither did I until I saw the light on my bedside charger flashing like a disco. The the one I use on my desk has different power levels depending on the device but I think the handshaking is nothing like complex digital systems interacting where we use the term normally.A visitor from the dark side, my other vehicle is an MG5 EV
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