Review of the RAVPower External Backup Battery Power Bank

I test a lot of external batteries which are also known as battery backups, power banks..etc for mobile devices.  What these devices do is store extra power so they can supply your smartphone or tablet with some additional power which extends the usage time or charges your device when you have no access to an outlet to plug your device in. The RavPower Dynamo On-The-Go Power Bank is the only one that I reviewed so … Read more