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Zoom-Zoom6 05-29-2019 05:22 AM

12 V power source
Hey guys what can I do so my IPhone can charge faster in my Mazda 6 or what have some of you members done to solve the slow charge problem??
Thanks! RJ

dcoulombe 05-29-2019 05:33 AM

What iPhone model and what mazda model year?

For the 3rd gen, the Android auto and Apple Carplay update comes with a better charger. IIRC, it's 2.0A.

My iPhone 7 charges as fast as it can in my car. There's no fast charge available in that phone.

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oblivioncth 05-29-2019 10:07 AM

4 Attachment(s)
It may only be 1A and had been 500ma with the old version. Either way the speed is at least adequate.


Found another source that claims its 2.1A so that probably is the case.

So for the OP, you chould install a permanent DC charging adapter to the 12.5v line of the car for somewhat cheap and a little bit of work, but installing the retrofit kit if you have a 2016 or newer is the cleanest way to do it with the bonus of gaining AA/CP; though the kit is 150 bucks with an additional 150 to 350 if you have a dealer install it.

dcoulombe 05-29-2019 11:17 AM

According to this source, it's 2.1 amp with the upgrade and 1 amp without.

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DrFeelGood 05-29-2019 07:22 PM

The Aukey charger that I have has been fantastic. It works great with my Galaxy S7 and wife's iphone.

meishungry 05-29-2019 09:57 PM

Yeah, I use an Aukey car charger too that has quickcharge - it pushes a ton of current and the phone gets warm pretty quick.

Zoom-Zoom6 05-30-2019 01:42 AM

Year model 2017.5 so it’s a late model Mazda 6 and my phone is iPhone 6s oh when I charge it in my truck it charges fast?

Zoom-Zoom6 06-01-2019 11:13 AM

On my truck I added a extra 12 V power source I just got power off my fuse box and it works good for my escort radar detector

tickerguy 06-01-2019 12:09 PM

The "typical" 5V USB chargers are either 1A or 2.1A. Both are slow by modern standards.

MOST USB-C equipped phones support "USB-PD" (power delivery) and most modern Android devices support some version of Qualcomm's "Quick Charge". Apple has their own which is different, of course, being Apple. All three are MUCH faster than 1A, materially faster than 2.1A, and produce less heat since they have voltage-stepping that better matches to the charge profile the battery actually requires. USB-PD is the fastest and better-quality PD adapters can charge modern laptops with USB-C power/data ports as well.

I have this adapter in my Sport plugged into the "lighter" socket; it is thus "switched" and turns on and off with the vehicle:

This is one of the VERY few car adapters that supports PD @ 20V, which is required for most laptops that have USB-C power supply ports to charge. MOST car adapters are limited to 9V/3A on PD and while this will charge phones very quickly the output voltage isn't high enough to charge laptops. The buck/boost power supply required to get over the 12V supply voltage costs more money. The same is true, incidentally, for power banks -- most of them have their battery packs wired internally as 12V and thus *cannot* charge devices that require either 15 or 20V PD supply voltages.

BrianU 06-03-2019 08:03 AM

3 Attachment(s)
I've been using the Aukey CC-T8 since December of 2016. It keeps both devices fully charged no mater what applications you are running.

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