In this power you got two way quick charge, intelligent power output, litiyum polimur battery, and this power bank speed of charging is 3.6a fast charging.In this power bank, this power bank was full charge in 10 to 12 hours.in this power bank they have added one feature it was that when you press power button simantiously then power bank automatically go thought the low discharge made, that means you can charge low devices like headphones etc. In this power phone it was charge your phone in just 2 or 2, 30 hours completely.