Just got Maxx....can I use my wall and car charger from my Droid Incredible?

Smudgie · Jun 1, 2012

Obviously they have the same plugs. I hate spending money on accessories but will if I have to. Does anyone here use their old chargers on the Maxx or know if this is ok? thanks

CharlieD · Jun 1, 2012

Smudgie said:
Obviously they have the same plugs. I hate spending money on accessories but will if I have to. Does anyone here use their old chargers on the Maxx or know if this is ok? thanks

Yup. I use my DINC charger.

Charlie

arparaspolo · Jun 1, 2012

You can use any micro usb to charge your phone. Some may take longer than others because not all cables are created equal. I tried using my DX cord for my Droid 3 and it wouldn't connect to my computer. I had to use the cable that came with the D3 to connect to a PC. Just a heads up if this happens to you.

Der Juicen · Jun 1, 2012

arparaspolo said:
You can use any micro usb to charge your phone. Some may take longer than others because not all cables are created equal. I tried using my DX cord for my Droid 3 and it wouldn't connect to my computer. I had to use the cable that came with the D3 to connect to a PC. Just a heads up if this happens to you.

also not all chargers are created equal. the charger that comes with the maxx is only a 750maH. the one that came with my droid X is 850mah, meaning it will charge faster, so i have continued to use that instead of the maxx charger.

Twiz · Jun 2, 2012

If I remember correctly the Incredible charger is 500 maH. It will work but will charge slower.

euph_22 · Jun 2, 2012

Twiz said:
If I remember correctly the Incredible charger is 500 maH. It will work but will charge slower.

It's 1000mAh

kevindroid · Jun 2, 2012

it is always best to use the charger that comes with it. i noticed no answer ever mentioned voltage which is the other component of power. match chargers to the specs of the phone when buying. under 1A on most phones will show up as usb charging and draw .5A. thats why its a slower charge. if battery heats due to mismatched charger charging stops hot packs will not charge. hope this helps you

Der Juicen · Jun 3, 2012

so far the maH ratings on various chargers are all over the place ranging from 500 maH up to 2.0ah (or 2000maH) but the voltage for all the chargers i have seen is 5.1v. can anybody positively identify a specific 'PHONE" charger that is different?

i do have a jabra bluetooth cahrger that is 5.0v 150maH, but that didnt come with a phone.

Smudgie · Jun 3, 2012

kevindroid said:
it is always best to use the charger that comes with it. i noticed no answer ever mentioned voltage which is the other component of power. match chargers to the specs of the phone when buying. under 1A on most phones will show up as usb charging and draw .5A. thats why its a slower charge. if battery heats due to mismatched charger charging stops hot packs will not charge. hope this helps you

Interesting.....so do you think using a charger that did not come with the Maxx could damage the phone?

Eurosteve · Jun 3, 2012

I never thought of the milliamp rating of the charger as having anything to do with the speed at which the ac adapter charges the battery. I thought that the phone required a certain amp rating because that's how many amps it needed - the higher the amp rating of the charger the more capable the charger is of meeting what the phone was needing to charge.

The Maxx comes with a charger rated at 750 maH. I figure if I use my DroidX charger, rated at 850 maH it meets the requirements of the Maxx. If I attached a charger only rated at 500 maH, it's not that it will charge slower but it will overheat and not be able to supply what the phone needs to charge the battery.

If it's correct that an adapter with a higher maH rating charges faster, then it would make sense to use the 750 maH charger that comes with the Maxx because I had always heard that it is best for any battery to charge slower than faster.

Am I wrong that 850 maH or 1000 maH chargers don't charge the Maxx faster?

Steve

euph_22 · Jun 3, 2012

kevindroid said:
it is always best to use the charger that comes with it. i noticed no answer ever mentioned voltage which is the other component of power. match chargers to the specs of the phone when buying. under 1A on most phones will show up as usb charging and draw .5A. thats why its a slower charge. if battery heats due to mismatched charger charging stops hot packs will not charge. hope this helps you

nobody mentioned it because the voltage on USB is standardized at 5V.

euph_22 · Jun 3, 2012

Eurosteve said:
I never thought of the milliamp rating of the charger as having anything to do with the speed at which the ac adapter charges the battery. I thought that the phone required a certain amp rating because that's how many amps it needed - the higher the amp rating of the charger the more capable the charger is of meeting what the phone was needing to charge.

The Maxx comes with a charger rated at 750 maH. I figure if I use my DroidX charger, rated at 850 maH it meets the requirements of the Maxx. If I attached a charger only rated at 500 maH, it's not that it will charge slower but it will overheat and not be able to supply what the phone needs to charge the battery.

If it's correct that an adapter with a higher maH rating charges faster, then it would make sense to use the 750 maH charger that comes with the Maxx because I had always heard that it is best for any battery to charge slower than faster.

Am I wrong that 850 maH or 1000 maH chargers don't charge the Maxx faster?

Steve

Current (measured in amps) is the rate that charge is flowing. you can think of it like water flowing through a hose, with the battery as a tank. As long as there is more water flowing into the tank then is coming it the tank will fill up, and above that the higher rate of flow in the pipe the faster the tank will fill.

As far add i know there is no benefit to trickle charging an Li-ion battery, and and the actual charging process is governed by the phones charging circuit.

Old Man · Jun 3, 2012

Der Juicen said:
so far the maH ratings on various chargers are all over the place ranging from 500 maH up to 2.0ah (or 2000maH) but the voltage for all the chargers i have seen is 5.1v. can anybody positively identify a specific 'PHONE" charger that is different?

i do have a jabra bluetooth cahrger that is 5.0v 150maH, but that didnt come with a phone.

If it uses a USB or micro-USB port and connector then it is probably going to be nominal 5VDC (4.75V to 5.25V range) as that is the USB standard. The rated current of a charger may vary as might how it senses the desired current.

To clarify some terminology, the term mAh relates to the charge transferred over a period, for example 500mAh is the charge transferred by a current of 500mA over one hour. A milliamp (mA) or amp (A) rating relates to the rated peak current. This seems relevant as basically a 500mA rated charger would take 1 hour to deliver 500mAh while a 1,000ma or 1A charger would take just 30 minutes to deliver the same 500mAh. For some reference, USB 2.0 is rated at 500mA but USB 3.0 supports 900mA, dedicated USB charging ports up to 1,500mA (1.5A) and the next version of USB may be rated up to 100W or 20A at 5VDC.

Eurosteve · Jun 4, 2012

euph_22 said:
Current (measured in amps) is the rate that charge is flowing. you can think of it like water flowing through a hose, with the battery as a tank. As long as there is more water flowing into the tank then is coming it the tank will fill up, and above that the higher rate of flow in the pipe the faster the tank will fill.

As far add i know there is no benefit to trickle charging an Li-ion battery, and and the actual charging process is governed by the phones charging circuit.

I think the key statement is that the "actual charging process is governed by the phones charging circuit"

While you're correct that 1000 maH rated charger has the ability to deliver more current, I think it will only do so if the charging circuit calls for it. So just because you hook up a 1000 maH or a 2000 maH rated charger to the phone doesn't mean it will charge any faster than if you hook up the supplied 750 maH rated charger included with the phone. If you disagree with this, please explain to me why this is incorrect.

Deleted User · Jun 4, 2012

In regard to the HTC Droid Incredible wall charger and the Razr/Razr Maxx.... It shows charging but doesn't charge properly. I tried a few different wall chargers and found the LG wall charger: STA-U34WDI works perfectly with the Razr or Razr Maxx. The LG, STA-U34WDI can be had on eBAY for under, would you believe $5.00. Anyway, I bought 3 of them (one used) and all work perfectly! Been using the LG wall charger for months now.

juny20 · Jun 4, 2012

I usually have luck charging with other, cheaper chargers. But, from my experience: the cheapest chargers from ebay or Amazon will not last. Quality is bad and some create problems on the phones (ie: screen not responsive while charging). Motorola charges are very cheap on Amazon and ebay. It might be a good idea to order a couple of aunthentic Motorola chargers given their prices on those websites. You will ensure perfect compatibility. For example, I was trying to access the mass storage on the Maxx with an LG cable and it did not work. I put a Moto usb cable and it recognized the mass storage right away.

Just my two cents based on my experience...

Just got Maxx....can I use my wall and car charger from my Droid Incredible?

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