What's new
DroidForums.net | Android Forum & News

This is a sample guest message. Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!

Rapid USB Wall Charger for Maxx

Lester52

Member
Has anyone found a quality rapid usb wall charger for our Maxx's , I understand the charger that comes with the phone are 750mA. Does moto make a usb 850mA or a 1000mA for the razr. Would like a little shorter charge time.
Thanks!!
 
There may be some benefit in charge time for boost charges going from the stock 750mAh charger to something such as you suggest, but your battery will suffer a shortened life in the process. In fact, Motorola went from a 780mAh charger on the OG Droid and Droid 2, to the lower current of the ones that shipped with the Droid RAZR and RAZR MAXX for that very reason. Slower charging rates (lower current) will extend the life of the battery (number of charge cycles before it will only hold 80% of what it was originally rated for).

Also, it's been proven that with Lithium Ion batteries although charging faster will get you to about 80% charge in a shorter time, the other 20% will take longer and the net result is very little if any time saved. If you must charge faster I don't believe you will see any benefit above 1,000 mAh, because the phone's charging system has a current limiter built in to prevent overcharging and excessive current during charge. It may be that the total maximum current rate allowed is less than 1,000mAh, but I am nearly positive it is no more.

Here's an interesting fact...my Motorola Navigation Dock came with its own Motorola Car Accessory Adapter/Charger, and it's called a "Rapid Charger", and yet, it's rated at 750mAh (same as the wall adapter). What does that tell you?
 
Thanks for a great explanation of our charging system, I will gladly wait a little longer for a charge and save my battery life.
I would still like to replace the stock charger, it's a little short and really stiff. Would you or anyone recommend a quality replacement charger with the same specs, and if possible an led indicator charging light would be nice.
Again thanks for your reply Mr FoxKat !!
 
Following Foxkat's "Proper Care and Feeding of Batteries", I only feel safe using the original charger. I have bought a couple of extra ones (always the same model number and made by Moto) from Amazon, but I have changed to a longer cord on one of them. The cords are easy to find, but be careful, I had a defective cable and it didn't charge correctly. It looked fine, but I'm sure there was a short in it somewhere.
 
Motorola does make a higher charge current charger and they do even show that it can be used with a Maxx but it does nothing but overheat the phone especially during use and charging at the same time
 
Back
Top