Battery bank with 2.1A charging vs LG V20 adapter that came with the phone

[vapeur7777]

I bought a LG V20 cell phone about a month ago. About a week ago I saw a in Sam's Club they had a Atomi 2pk Recharge 10000mAh Battery Bank and bought it. It has two charging ports, one is 2.1A and the other is 1A. The LG V20 takes a C type cable and can charge faster with the LG Fast Charge adapter that came with the phone. My question is, can I use the Atomi battery bank to charge my phone? What would be the difference between charging it in the 2.1A battery bank and using the LG adapter? Having a backup battery bank on the go would be nice to have but is it safe to use on my new phone?

 

[tickerguy]

Yes, it is perfectly safe.

It won't be the fastest charge available but it will work fine and is safe to use.

 

[Rukbat]

About the only difference will be that the backup battery has to be recharged when it gets down to about 40%, while the LG charger doesn't need recharging. (The phone will not draw more than it's designed to draw - you can use a 30 Amp 5 Volt "charger" [I do - because I have one on the desk] and the phone will still draw only as much as it's designed for. Remember, that 100 Watt light bulb in your house is connected to a million Watt [or probably a lot larger] alternator at the power station - but it only draws 100 Watts.)