Help Does using different Amp rating charger affects charging time?

[BryLee95]

I need your advice guys.

I have bought my J5 last October 8. The original charger (5V, 1A) burned out about two weeks later due to some reasons that I don't know. Since then, I have used my old tablet's charger which is rated at 5V, 2A. My phone charges to its full capacity after more than 2 hours using the tablet charger, which is same time it takes using the original Samsung charger. I bought a new charger yesterday because I no longer want to use the tablet charger. The charger that I bought is not a Samsung charger but a first class charger with a 5V, 1A rating. Same as the original. I have noticed right now that my phone takes a long time to be fully charged. It says on the charging notification that "4 hours until full". I wonder why does it takes that long when in fact this new charger has the same power rating as the original. Does using the tablet charger with a higher ampere rating for a couple of weeks affected my phone? Thanks.

 

[bcrichster]

I need your advice guys.

I have bought my J5 last October 8. The original charger (5V, 1A) burned out about two weeks later due to some reasons that I don't know. Since then, I have used my old tablet's charger which is rated at 5V, 2A. My phone charges to its full capacity after more than 2 hours using the tablet charger, which is same time it takes using the original Samsung charger. I bought a new charger yesterday because I no longer want to use the tablet charger. The charger that I bought is not a Samsung charger but a first class charger with a 5V, 1A rating. Same as the original. I have noticed right now that my phone takes a long time to be fully charged. It says on the charging notification that "4 hours until full". I wonder why does it takes that long when in fact this new charger has the same power rating as the original. Does using the tablet charger with a higher ampere rating for a couple of weeks affected my phone? Thanks.

YES. it shortens the lifespan (burns) the battery, which also results in longer charge times.

 

[glc]

No. The charger rating is the most the charger can supply without burning out.
The phone will only draw what it is designed to draw.
As long as the charger can supply at least as much as your phone will draw, you are OK.
What can affect the charging time is the wiring of the charger and cable. The data pin connection can tell the phone whether it can supply high current or not. This can be used by the phone to change its charge rate and current draw.

 

[AZgl1500]

umm, hope I don't offend anyone here.

you can charge the battery slower, with a smaller charger, and it will actually improve the lifespan of the battery. at my computer desk here, I am using a Qi wireless charger that is sourced from the USB port on my desktop PC, it lays there all day long, or as long as I am on the PC... that charger will just barely put out maybe a 1/3rd of the full 2.1 AM suggested charge rate. it works great....

as you have learned, a 2.1 A charger module will charge the device in the advertised amount of time.
a 1 A module will take twice that long or even longer... depends on how deeply you discharged the battery.

You will get the "best lifespan" if you recharge the battery at roughly 40%
even the best of Lithium-Ion batteries do not like to be fully discharged, and pulling them down below 10% will decrease their life. not immediately but it will definitely shorten it measurably.

I have several tech articles explaining why, but they are too long, and too dry to read.

.

Okay: how do I charge my S5? with a wireless charger, everyday, all day, or just a few minutes at a time. It depends on my mood, if I am asleep, or in a hurry to run somewhere.

I have a 6 year old Galaxy 'S' with the OEM battery, and it is still near full specs on discharge life.
On that one though, the battery technology was a bit fragile and you were alerted to get it OFF the charger 'now' when it reached 98% or so...

Today's modern devices has very good roll back charger regulators.... it will not harm the battery to leave it "on charge" all day long. A friend of mine is a trucker, his S5 and his previous S4 stay on charge all the time he is in the truck, driving, or sleeping. they stay on charge, and neither one of those has had a battery problem.


.

 

[lvt]

Using the same charger, the cable with bolder wires charges my phone faster than the other cable with thin wires, starting from 20% battery left.

 

[AZgl1500]

Using the same charger, the cable with bolder wires charges my phone faster than the other cable with thin wires, starting from 20% battery left.

correct.... the thinner wires have less current carrying capacity.

 

[lvt]

correct.... the thinner wires have less current carrying capacity.

As you said, I always use the bigger cable to charge the phone when I'm in a hurry, it can help to save at least 30~40 minutes of charging time.

 

[bcrichster]

correct.... the thinner wires have less current carrying capacity.

Also, DC voltage is horrible about voltage drop and stuff. Try to use the shortest, fattest cable you can get (don't be fooled by a super thin wire with a thick jacket/insulation (normally rare for phone charger cables these days). There's usually heat problems with overly skinny wires and larger loads on DC voltage but phone charge cables rarely ever get that hot. Instead, it can most often have affect your charge time.