Instruction: Given a question and the related document, and generate the answer to the question based on the information provided in the document.

Input:
Question: Can these be charged with any USB mini charger or do you have to use Motorola chargers (such as with their phones)?
Document: They come with belt clips (one of us used that feature), and I LOVED that they can be charged on one cord via a USB port, wall charger, computer. Lots of options. They are easily charged, too. We didn't have to really test the waterproof worthiness, but they appear to be very well-built and the clarity of voice was excellant.
The only feature that I like is that they recharge through a mini USB, which works with my solar charger (Joos Orange). Aside for that, they don't even come close to the quoted 35 mile range. You'll be lucky if you get a half mile in an urban setting. They're also pretty bulky. You'd be better off buying a set of Baofengs and learning how to program them to whatever frequency you want (MURS works nice for me and it's free).
The mini-USB port allows you to purchase a cheap vehicle charging cable to charge them. I got two - one that plugs into a USB port and one that plugs into a vehicle cigarette lighter style port. Each was about $3. My sister had a similar Motorola radio that required batteries only and that caused problems when the batteries got depleted. I just plugged these radios in occasionally and they ran fine for the duration of the trip.
Very good radios. They are easy to operate. My family and I use them at the lake, while camping, etc.Charging is easy through the mini USB port, and they also use regular alkaline AA batteries, if needed.
We own a few radios but this is the best one yet. The audio clarity is great! Flashlight is a cool addition and the fact that it charges through mini-usb. I hated those bulky chargers, never liked carrying those along and never understood why they would not do the same as they do for their cellphones.
However, there are charges similar to a cell phone charger. The only inconvenience -  one of the chargers was a dual charger and required two devices to charge while the other had its own charger.There are way too many other features to mention here but you can find that in the specifications or the manufacturers web site.
However, neither of these negative factors affect the solid operation of the radios themselves.Update---My mistake...the radios come with two chargers...one handles a single radio and the other is a twin charger for two radios...so, you can charge all three radios at the same time.
I bought these radios in preparation for a ski trip with the family as we wanted our boys to wander off and be able to contact them. The radios were awesome. I needed to charge them every couple of days and their range and clarity were excellent. They were dropped in the snow and no problems. Charging was easy and they come with two chargers. One charger has the ability to charge two radios at once which was very convenient.
First of all, there are a lot of good things about these radios, otherwise I wouldn't have bought them. The mini USB charging port allows me to charge it with my hand crank/solar charging emergency radio ... which means if I'm in the woods, I'll always have a comm life line and a flashlight with these things. I like the solid lanyard eye, because it is a very good place to attach it to my gear.
Fortunately, the 2 replacements were fine, along with the charger. So, out of 7 radios, 2 had problems. Out of 4 chargers, 1 was bad. Your mileage may vary. I tend to attract these types of issues though, which is why I'd ordered extras to begin with. :)In the end, we're still keeping a full set of 5 radios and chargers, because they served their purpose reliably, and helped us maintain a safe campout for our kids.
Answer: You can use any mini USB chargers... as long as the output rating is 5V, which is quite common for most USB stuff.