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Lipo batteries with USB connector

Old 01-20-2016, 07:15 AM
  #1  
mlan12
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Default Lipo batteries with USB connector

Can Lipo batteries with USB connector be charged without using a computer? I would like to charge batteries using my HiTec charger. Is there an adapter that can be used, or are there chargers made specifically for this purpose?
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Old 01-20-2016, 11:17 AM
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fhhuber
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There are USB wall wart chargers

My solar panels came with regulators that include USB ports.

Many cars now have USB charge ports
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Old 01-20-2016, 03:17 PM
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dereckbc
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Sure, any USB charger will work or any USB port. Having said that not all USB ports are equal, nor are USB chargers created equal.

USB 1 and 2.0 specifications used two different power sources (5V 500mA and 5V 100mA, respectively) for powering connected devices. Painfully slow to the point of being unacceptable. USB 3 ports standard is 900 ma and up to 2 amps.
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Old 01-21-2016, 08:02 AM
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mlan12
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Default USB chargers

Of the three types of USB chargers am I correct in assuming the USB 3 would be the best choice to charge one cell, 100 mah battery. I want to charge the battery in a Nano Quad I plan on using at indoor flying meets with the club I belong to. Thank you again for the help.
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Old 01-21-2016, 11:43 AM
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The LiPo with a USB connection BUILT IN will have a little logic board to regulate the charge. That will regulate the charge current and the voltage where the charge stops.

You can't just randomly hook up LiPos to USB.

Because of the control circuit, the port type you adapt from really doesn't matter.
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Old 01-21-2016, 12:44 PM
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JetPlaneFlyer
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Just be careful because there are some 1s LiPo batteries that charge from USB but where the supplied USB lead or the supplied device that the lead is powered from, has a protection device built in to prevent over-charge.
On these batteries if you plug in a regular USB lead to a PC or similar the battery will over-charge and burst.
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Old 01-21-2016, 01:05 PM
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I have a load of 1S LiPo's for my WLToys gear .. and I only use the supplied charger or adaptor to a proper LiPo charger. that way I am sure I do not risk damaging the LiPo or surroundings.

Nigel
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Old 01-22-2016, 03:10 PM
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Ok, I may be stupid, and live in a rural area, but I have never seen a Lipo battery with an attached USB connector attached to it. Show me a picture I am curious.
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Old 01-22-2016, 04:13 PM
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fhhuber
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Originally Posted by Wisc-BK View Post
Ok, I may be stupid, and live in a rural area, but I have never seen a Lipo battery with an attached USB connector attached to it. Show me a picture I am curious.
You'll only find it on really cheap toy class models...

Or the USB pocket power packs for Cell phones.
http://www.amazon.com/dp/B00UY50GLE?psc=1
(one of thousands of variations on the theme...)
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Old 01-22-2016, 04:19 PM
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solentlife
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Originally Posted by fhhuber View Post
You'll only find it on really cheap toy class models...

Or the USB pocket power packs for Cell phones.
http://www.amazon.com/dp/B00UY50GLE?psc=1
(one of thousands of variations on the theme...)
Most on RC I see are the USB boxes to charge up 1S cells like my WLToys have ... but they are so sloooooow !! I changed to multi-lead on my normal LiPo chargers.

Nigel
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Old 01-22-2016, 05:47 PM
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Wisc-BK
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Originally Posted by fhhuber View Post
You'll only find it on really cheap toy class models...

Or the USB pocket power packs for Cell phones.
http://www.amazon.com/dp/B00UY50GLE?psc=1
(one of thousands of variations on the theme...)
The post eludes to the fact that there is a USB connector ON THE BATTERY.
I have lots of USB CABLES/CHARGERS that charge cameras, phones etc. in the house. Also have little USB chargers for 1S size batteries.
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Old 01-23-2016, 04:34 AM
  #12  
mlan12
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Default Sorry for the confusion

The the battery I am referring to has a USB cable that connects to the aircraft and to a USB port. The answers that have been posted here have taught me, I am new to this hobby, what I needed to know. I asked the question because at home I used my computer to charge the battery. I did not want to take my computer to a gym where the club I belong to has occasional indoor flying. Thank you to all who responded to my question, with your help I have the information I needed. Once again thank you to all who helped me, and I apologize for the confusion.
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Old 01-23-2016, 04:45 AM
  #13  
Wisc-BK
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Not trying to be mean or say your wrong or anything, it is just that I have been in RC for a long time, started in gas powered, and have lots of UMX and larger electric models, but have never seen a Lipo with a USB style connector. Can you post a pic. of it, or the name of the model that uses it, I am just curious.

Thanks...

Bob
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Old 01-24-2016, 04:29 AM
  #14  
mlan12
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Default USB battery question

No offense taken Bob. I did not state my question clearly in the first post. What I have is a quad that has a built in battery. The model comes with a patch cable that plugs into the model, and the other end has a USB connector. The connector is not hooked directly to the battery. I misstated the question due to my ignorance on the topic. Once again thank you for the help and I apologize for the confusion.
Mark
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Old 03-21-2016, 05:22 AM
  #15  
patolin
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Some cheap multicopters had usb chargers, and works fine. You have to consider that an USB port can give ony 500mA of current from a computer, but some wal-wart chargers can supply at least 1000mA, which is fine to charge small batteries
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