Apple's iPhone 6 and 6 Plus ship with higher capacity batteries that deliver exceptional battery life, but as pointed out by iLounge and MacRumors forum members, the two new iPhone models can also charge significantly faster when used with an iPad charging adapter rather than the smaller adapter included with the iPhones.
According to preliminary tests using a Kill-A-Watt device and OS X system information, the charging profile for the iPhone 6 and the 6 Plus match that of the iPad, allowing them to charge using 2.1A. Unlike earlier iPhone models which would only draw 5W regardless of the charger being used, the new phones are capable of drawing up to 12W, allowing them to charge at a faster rate. Early feedback from owners suggest the larger iPhone 6 Plus can charge fully in approximately two hours from an iPad adapter.
iPhone 5s (l) versus iPhone 6 Plus (r) charging profiles in OS X system report
The iPhone 6 and 6 Plus include the standard square 1A/5W charging block that shipped with previous iPhone models. To obtain these faster charging rates, iPhone 6 and 6 Plus owners may use the 2.1A/12W charger from the iPad or the high-power USB port of a newer model Mac.
It maybe safe, but it is not good for the battery to do this. I swear the quality of MR reporting his hitting rock bottom recently. I mean is this article for real?
Any device will charge quicker if you pump up the amps. Likewise it will charge slower if you use less amps. I don't recommend anyone does this regularly.
Actually, it is fine to do this. Apple officially supports using the 12W adapter for iPod 4th gen. and newer, and all iPhone and iPad models. On the flip side, charging your iPad with a charger that supplies less current that what it needs will damage your device.
I swear the contempt of MR readers sure has skyrocketed recently. I mean, are these people for real? :rolleyes:
Before anybody says it: Yes, it is safe. The phone draws the power and only the power it needs, not the other way around. They are intentionally designed this way.
The charging circuit controls how much it wishes to draw. The charger does not decide how much to push.
The iPhone is entirely in control of how much juice it pulls, thus it is also clearly designed this way. Unless you're claiming to know something that the engineers who designed the thing don't.
don't be stupid, your iPad battery is designed for that specific amperage. The iPhone is not - ask yourself this. If it was good for the iPhone battery to take higher amps would Apple not give you a higher amp charger?
I mean:
1. They could standardise to a single charger for all products. 2. Happy customers because their phones charge super fast.
Common sense people!
Because the higher amperage charger is much larger and less convenient than the one included with the iPad?
This isn't an accident: the iPhone 6(+) circuit is intentionally designed to draw more amps. If they didn't want it to work this way, it wouldn't do it. The iPhone 5(S) do not work this way.
Charging with more powerful adapters is hard on the li-ion battery. While it will give you a quick charge it will take a major toll on the batter life after a few months. There are hundreds of articles/videos on why this is so.
It maybe safe, but it is not good for the battery to do this. I swear the quality of MR reporting his hitting rock bottom recently. I mean is this article for real?
Any device will charge quicker if you pump up the amps. Likewise it will charge slower if you use less amps. I don't recommend anyone does this regularly.
So you're saying that my iPad battery is doomed?
Ya, I'd be concerned about the ramifications on the battery and long term performance. If this was the case, why wouldn't Apple just have included the more powerful charger?
Its clear no one here understands Li-Ion battery chemistry. I've been following this stuff for a while now for EVs (http://sequence-omega.net/?cat=4) (I drive a Volt).
A Li-Ion battery's usable life is determined by three variables - calendar life, cycle life, and charging rate (measured in "C" which is the ratio between charging rate and battery capacity in mAh - so "1C" is discharging or recharging the battery in 1 hour, 0.5 is two hours, and 2C is 30 minutes).
Recent research from Stanford Univ. (http://cleantechnica.com/2014/09/19/recharging-lithium-ion-batteries-rapidly-harmful/) has shown the effects of "slow charging" to be overstated, and the effects of fast-charging less harmful than originally thought.
Recharging an iPhone 5S at 1A is about .63C (1000mA / 1570mAh). Recharging an iPhone 6 Plus at 2.1A is .71C (2100mA / 2950mA). The difference there is not enough to dramatically effect the lifespan of the battery cell. The 6 has a higher charge rate of 1.16C, but I don't beleive that its very harmful to the battery and the higher charge rate will not shorten the overall lifespan of the battery. For reference, recharging an iPad Air at 2.1A is .24C ( 2100mA / 8820mAh).
Its not until you go over 2C that you start to see substantial impacts. Even Tesla owners who fast-charge frequently still have 99% original battery capacity after more than 100 cycles (http://gas2.org/2014/06/16/video-28000-miles-tesla-model-s-still-99-range/).
Wednesday April 24, 2024 2:05 pm PDT by Joe Rossignol
Apple is set to unveil iOS 18 during its WWDC keynote on June 10, so the software update is a little over six weeks away from being announced. Below, we recap rumored features and changes planned for the iPhone with iOS 18. iOS 18 will reportedly be the "biggest" update in the iPhone's history, with new ChatGPT-inspired generative AI features, a more customizable Home Screen, and much more....
Wednesday April 24, 2024 3:39 pm PDT by Juli Clover
Apple today released several open source large language models (LLMs) that are designed to run on-device rather than through cloud servers. Called OpenELM (Open-source Efficient Language Models), the LLMs are available on the Hugging Face Hub, a community for sharing AI code. As outlined in a white paper [PDF], there are eight total OpenELM models, four of which were pre-trained using the...
Apple has announced it will be holding a special event on Tuesday, May 7 at 7 a.m. Pacific Time (10 a.m. Eastern Time), with a live stream to be available on Apple.com and on YouTube as usual. The event invitation has a tagline of "Let Loose" and shows an artistic render of an Apple Pencil, suggesting that iPads will be a focus of the event. Subscribe to the MacRumors YouTube channel for more ...
Best Buy is discounting a collection of M3 MacBook Pro computers today, this time focusing on the 14-inch version of the laptop. Every deal in this sale requires you to have a My Best Buy Plus or Total membership, although non-members can still get solid second-best prices on these MacBook Pro models. Note: MacRumors is an affiliate partner with Best Buy. When you click a link and make a...
Saturday April 27, 2024 12:41 am PDT by Tim Hardwick
There are widespread reports of Apple users being locked out of their Apple ID overnight for no apparent reason, requiring a password reset before they can log in again. Users say the sudden inexplicable Apple ID sign-out is occurring across multiple devices. When they attempt to sign in again they are locked out of their account and asked to reset their password in order to regain access. ...
Apple used to regularly increase the base memory of its Macs up until 2011, the same year Tim Cook was appointed CEO, charts posted on Mastodon by David Schaub show. Earlier this year, Schaub generated two charts: One showing the base memory capacities of Apple's all-in-one Macs from 1984 onwards, and a second depicting Apple's consumer laptop base RAM from 1999 onwards. Both charts were...
Top Rated Comments
I swear the contempt of MR readers sure has skyrocketed recently. I mean, are these people for real? :rolleyes:
Makes no sense.
The charging circuit controls how much it wishes to draw. The charger does not decide how much to push.
The iPhone is entirely in control of how much juice it pulls, thus it is also clearly designed this way. Unless you're claiming to know something that the engineers who designed the thing don't.
This isn't an accident: the iPhone 6(+) circuit is intentionally designed to draw more amps. If they didn't want it to work this way, it wouldn't do it. The iPhone 5(S) do not work this way.
http://store.apple.com/us/product/MD836LL/A/apple-12w-usb-power-adapter?fnode=3c
Its clear no one here understands Li-Ion battery chemistry. I've been following this stuff for a while now for EVs (http://sequence-omega.net/?cat=4) (I drive a Volt).
A Li-Ion battery's usable life is determined by three variables - calendar life, cycle life, and charging rate (measured in "C" which is the ratio between charging rate and battery capacity in mAh - so "1C" is discharging or recharging the battery in 1 hour, 0.5 is two hours, and 2C is 30 minutes).
Recent research from Stanford Univ. (http://cleantechnica.com/2014/09/19/recharging-lithium-ion-batteries-rapidly-harmful/) has shown the effects of "slow charging" to be overstated, and the effects of fast-charging less harmful than originally thought.
Recharging an iPhone 5S at 1A is about .63C (1000mA / 1570mAh). Recharging an iPhone 6 Plus at 2.1A is .71C (2100mA / 2950mA). The difference there is not enough to dramatically effect the lifespan of the battery cell. The 6 has a higher charge rate of 1.16C, but I don't beleive that its very harmful to the battery and the higher charge rate will not shorten the overall lifespan of the battery. For reference, recharging an iPad Air at 2.1A is .24C ( 2100mA / 8820mAh).
Its not until you go over 2C that you start to see substantial impacts. Even Tesla owners who fast-charge frequently still have 99% original battery capacity after more than 100 cycles (http://gas2.org/2014/06/16/video-28000-miles-tesla-model-s-still-99-range/).