Use with any standard to higher resistance atomisers, and also great for using LR dual coils @ 5v that is not possible with most VV devices.
5V Ni-Mh 18650 600mAh Battery
And improved 5v charger -
4.8v Ni-Mh Dual Battery Charger
5V Ni-Mh 18650 600mAh Battery
And improved 5v charger -
4.8v Ni-Mh Dual Battery Charger