Did you know that you can use a PoE power adapter to charge your Netool NE1 while using it?
Here is the one I use and recommend that can be found on Amazon:
Model: WT-AF-5v10w microUSB Right Angle
https://www.amazon.com/dp/B019BLMWWW/ref=cm_sw_em_r_mt_dp_U_SBSDDbMZWJWZS
Nathan