I recently received a Bestek 5000 mAh 2-port USB charger for a product review. The charger just comes with an instruction manual, but no carrying case or cables which isn't really an issue.
Bestek charger ( middle ) with regular 2 port USB chargers on each side for size comparison |
Two standard USB ports. The unit has no power button, you shake it to turn it on |
I used my DROK USB testers and adjustable 1A/2A loads to do some tests to see if the product can handle the rated capacity. Here are the results of my quick tests:
While plugged in:
- I was able to get over 2.4A out of a single port
- I was able to get over 3.4A out of two ports together
- 4A of load seemed to make it reset ( probably triggering the built-in protections )
While unplugged (acting as a battery):
- I was able to get 2A from a single port
- I was able to get 2A across two ports
- Trying to pull 3A across two ports made the unit shutoff
Overall, the unit seemed to handle within (or above) rated specs and would seem to protect itself if the load was too much.
For real world tests, I have been using it both as an A/C adapter and as a battery pack without any problems.
Here are the main points I noticed about this product:
Compact: Although this is larger than the average 2-port USB charger, it is still fairly compact considering it also has a 5000 mAh capacity. For the traveling power user, being able to carry one devices to support multiple functions is always beneficial.
Ease of Use: Nothing complicated here, you just plug it in and use it.
Capacity: The output of 3.4A as an A/C adapter and 2.4A should be able to handle multiple devices, but of course two power hungry devices may give you some trouble.
Bottom line: If you are looking for a good capacity battery pack that is compact and great for travel, this is a great option to consider. Basically you are combining a 2 port USB charger and 5000 mAh battery pack into a single unit. Less things to haul means less clutter and less chance of forgetting an important piece of your setup.
Amazon Product Page: http://amzn.com/B00UVCA5YS
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