To power up, you consume Red Bull. But your phone just needs its adaptive fast charger. Rate this thread to express how quickly the Samsung Galaxy Tab S7 / S7 Plus can charge. A higher rating indicates that it charges extremely fast.
Then, drop a comment if you have anything to add!
I verified that the S7 will charge at the full 30W from a 30W Aukey PD 3.0 adapter (CC-A4). It will also charge at 18W from a QC 2.0 or 3.0 adapter. It is not currently possible, however, to limit the charge rate to less than 30W when using the 30W adapter, except by disabling fast charging altogether which reduces the charge rate all the way to 9W. The option to reduce the charge rate would be really helpful when using a more powerful adapter with a dock to ensure devices such as USB HDDs will get enough power to operate.
I got the official 45 Watt charger from Samsung. Charges the Tab S7+ from 10% to 100% in 1 hour 15 minutes.
using a QuickCharge 3.0 Charger from HTC takes 3h 30 Minutes to fully charge.
The Battery Already reaches 100% After 3 Hours... but there is a difference btween full and full.
Always uses 9Volts and around 1.6A, so it charges with 15W most of the time, which roughly is the limit of the charger.
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Activating the "Protect Battery " mode which limits to 85% Charging charges 20-15 minutes Faster.
Sadly this stupid Tablet battery saver shut down my Bluetooth Terminal app. so i only have the first 1hour.
i ordered the Samsung 45W QuickCharger. Should arrive in a few weeks
Related
Is anyone having an issue with charging their S6 on other chargers? I just picked up my Edge and it randomly keeps making the sound as if I just plugged it in. I will note that this has been on after market 2A chargers with the stock cable. I haven't noticed it yet on the stock charger but have only used that overnight so I may not have noticed. Wondering if there is something wrong with the phone or if it's really that sensitive to which charger is used. Yesterday while plugged into my 2A car charger, it showed it was charging, but the battery was actually dropping while streaming music through Bluetooth.
I have charged my phone at work with my
company phones charger, (Motorola) and have not heard any noise when charging.. I used the Motorola cable and charger plug.. I did not try it with the Samsung cable and Motorola charger.
I havent had that issue...but one thing I *do* know charging via USB takes ffffoooorrrreeeevvvveeerrrrrr
I may have to get this phone replaced under warranty when they are back in stock near me. Something doesn't seem right... Battery monitor says "discharging" AC plugged... And the battery is dropping as I type this (about 5% in 5 minutes while plugged in). Also, after checking the battery in android settings, the estimated time left seems terrible. 91% and only 21 hours on ultra power saving mode? Shouldn't that be a few days? 21 hours is what I expect to see for normal operation, not black and white u. Power save... (See screenshots)
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Specifications:
“Efficiency: 40 Watt
Max output per USB port: 2.1A
Voltage: 5.2V
USB Ports: 5 ports
Max total output current: 8A”
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Click to collapse
I travel often and I tend to bring with me a heap of different devices, that often utilize USB to charge and therefore I decided to get this charger from Havit. Having a charger with 5 USB ports is super convenient compared to having 5 separate chargers to charge my phones, tablets and headphones.
It came in a quite stylish box made out of cardboard, and inside the box the charger and a power cord can be found. The power cord I got in this case was a british power cord, but I had to replace it due to that I’m in northern Europe.
The charger is made out of green plastic and is slightly rubberized, and it’s really small as well compared to other multi-port chargers I’ve used. It seems like Havit really have paid attention to the details, as this charger looks really nice.
The charger outputs a voltage of around 5.2V according to my XTAR USB power detector, and the amperage is at around 1,5A which is the max amperage on the Z3 Compact. I’ve measured it with many devices connected as well, and the voltage seems stable. The charger does not get hot while charging. There’s one thing that kind of annoys me a little bit is that my charger “coil whines”, but honestly it’s not very loud and it does not bother me a lot.
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Hi,
I have recently bought a Li-Polymer power bank which has a rated capacity of 25600 mAh @ 3.7V or 94720mWh. Now, I have been testing this power bank using a 1A and 2A load. Here are the readings I got whilst charging and discharging the power bank.:
Here's the readings:
Charge: 24897mAh
Discharge: 16985mAh @ 2a discharge
Charge: 24814mAh
Discharge: 15020mAh @ 2a discharge
Charge: 24787mAh
Discharge= 16759 @ 1a discharge
Charge: 24750mAh
Discharge = Yet to do
Lets take example 1 from the list above:
Charge
24897 x 5 = 124485mWh
There was a conversion from 5V input to 3.7 output, with an efficiency of 80%
124485 x 0.8 = 99588mWh
So 99588mWh or 26915mAh @ 3.7V should be the power bank capacity
Discharge using 2A load
16985 x 5 = 84925mWh
84925 is the capacity after efficiency loss (20%) from the circuit. So power output before conversion and loss will be:
84925 x 1.2 = 101910mWh
101910 or 27543 @3.7V
So the power bank's capacity in the above example is around 27000mAh. Just wanted to make sure that my calculations were ok.
All readings are at 5V. The powerbank was charged at 2A and discharged at 2A or 1A USB resistor load.
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and this was used to record mAh
anyone?
Hello.
What is the smallest QC3.0 (or even better 4.0) charger in the market?
Most chargers are too big. And if you disassemble them you can see they are almost empty inside, they could make something more compact. (Though I understand there could be some thermal limitations).
Most chargers are like this one or larger (or with several USB ports).
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I would like to get an EU charger without the USB port, just the cable inserted on the charger, like the old ones but QC3.0.
Battery1inc World's Slimmest and Smallest.
Info about Slimmest charger
JS_Savior said:
Battery1inc World's Slimmest and Smallest.
Click to expand...
Click to collapse
Battery1inc World's Slimmest and Smallest 15W Dual USB Wall Charger Travel Ac Adapter Energy Star Level VI Standards (Patent and UL Certificate Version)
With 90 degree foldable AC Prong plug in(U.S. Plug),Dimensions 78.9mm*39.9mm*10mm Smart IC Technology , Fast Charging iOS iPhone , iPad, Android Smartphones and Tablets etc USB Mobile devices
Charge two devices simultaneously:Use your existing USB charging cables to charge most USB powered devices / Easy-to-see LED confirms whether USB charger is properly connected
Soft blue LED shows when charger is receiving power, efficiency 82%
Input:100-240V 400mA ; OutputC 5V 3.1A Max. or 15.5W ( Max. 3.1A,up to 2.4A per port)Smart IC technology auto-detects your device's input to charge at maximum speed
Sophisticated circuit design with OCP/OVP/SCP over-heated, over-current, over-charging protection. Charging will be automatically stop when battery is full.
Source-Amazon
Hello, in the recent days I've come to notice that my p6p takes more time to charge (when charging with the same cable(factory cable), charger(pd3.0 pps) from the same battery percentage), it now need almost 3 hours to fully charge from 15 to 100% when it used to do it in 2ish. The data in the apps accubattery and battery guru confirm this, since I can compare the charge times in different charging sessions.
When inspecting the wattage and current draw while charging ( 15%-100%) I can see a clear change in max sustained wattage, from the usual with p6p 22ish watts now it only charges at 17ish. Th current is also decreased from 4.5 to 3.7 Amps (at 5v input read, I know that software readings can be off, like in this case, since pps doesnt do constant 5v 4.5A) still while using the same setup at the same temperature the behavior is different, Such difference can be observed in the current vs time graph from the battery guru app. More over the current doesn't stay constant, it fluctuates between 0 and some charging value all the time( the app constantly changes between charging and not charging) this can been seen in the graph, as the "now" graph is more pink that indicates the jitter in the current while the "before" one in more transparent and the current is constant.
Typical curve some months ago
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Typical curve now
Can this be a software issue or should I go and buy a new charger/ cable?
Has anyone else have encountered this behavior ?