Good for backup solution on AA accumulators. – AA-Battery USB Emergency Backup Power and Charger Pack Reviews
posted by 444ndr333w on 09/22/2012
Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
Flexible USB cable if enough for everything that can be connected to USB for charging.
On/off swith is useful.
No complicated circuitry, so it will work for long.
No problems of charging or power supplying for any USB devices.
Bad box cover, can fell off or break easily.
Well, it works just fine, but overall build quality should be better.
If you have some AA cells already, it will be cheaper than more expensive battery packs.
Good for its price.
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