From what I understand these have the Zmax version 2 guys with a customizable battery body and a great display.
The ego APV is a vast improvement in cost and design over its
predecessors. It offers both variable voltage and variable wattage
modes, and can increase power by .1 volts or .5 watts. This device can
stably operate between 3.0-6.0 volts or 3.0-15.0 watts.
1.To turn the device on or off press the big button 5 times in 2 seconds.
2.To switch between the VV and VW mode press and hold both mini buttons at the same time.
3.Use the left and right mini buttons to increase and decrease the voltage or wattage.
4.To check the remaining battery voltage press and hold the left mini button for 5 seconds.
5.To check the your devices resistance (ohms) press and hold the right mini button for 5 seconds.
device will work with one 18350, two 18350, or one 18650 lithium ion
battery. Both the AW and Unprotected batteries on our site work well in
This device has the following protective features.
1.When you press the big button for 10 seconds or more the device will shut off.
using a single battery and the voltage drops below 3.2 volts the screen
will display "LO". Please recharge your battery before continuing to
2.When using two batteries and the voltage drops below 6.4
volts the screen will display "LO". Please recharge your batteries
before continuing to use them.
3.When you use an atomizer at 1.2ohm
or less the screen will display a "LO" ohms warning. Please use a higher
resistance atomizer to prevent damaging your device.
4.When you are
using an atomizer with a short the screen will display "LO v". Please
change your atomizer to prevent damaging your device.
will not work if you put the batteries in incorrectly. Please remove and
replace the batteries with the positive end towards the top of the