1.Protective settings make you safe and relieved.
2.Change batteries.Support one or two batteries,take the batteries to other device if you need.
It is not only a power bank , but also a charger.You can charge and use 1 to 4 batteries as your wish.
3.Adapt any 18650 batteries.Two independent circuit board inside.
Support different brand batteries, different capacity batteries, different power batteries.Has good compatibility.
4.Liquid-crystal display.5 grids display show the energy anytime.Show every battery clearly.Have 1A and 2A output indicator.Green color back grad.
5.Protect reverse batteries.V8-4 power bank would cut off the circuit which the battery has been reversed.Reversing battery would not affect other circuits' work.
Make you reassuring.Long life use life and never outdate.
6.Overload and short-circuit protection.V8-4 would cut off the circuit automatically when the data cable and digital products have been short-circuited.Ensure digital products safety.Protect the product safe, protect your safe!
7.Charging and discharging is not hot.Using the latest technologies, make a cold working environment.
8.Automatically detect the bad battery.Check the batteries automatically when you put the batteries in V8-4.
9.One switch and two USB output.Long press power key to switch machine, when charging, short press power key to screen out the light, improve efficiency.
2 A output can charge the battery for tablet, two outlet meet the demand of people to charge.
10.Connect mobile phone, the power supply will be automatically turn on.40 seconds without automatic turn off operation
11.With protective film.
12.About cable.We use A grade quality cable.
13.Fine workmanship, seamless.Unique groove design, can withstand numerous push-pull, longer life.