“I have owned may yocan products and like them for their ease of use and quality . The Uni 3. 0 is the best 510 battery on the market. You will love the long lasting battery, universal fit for small or large cartridges. adjustable from 1. 8 to 4. 0 volts. Just Buy It.”
“I have the uni and uni pro. Recently picked up the uni 3. 0 it’s a really nice battery. Size is a little bigger than the uni and uni pro. The screen is a nice new touch.”
“Big improvements to the connection have been made so it connects and is ready to rip without having any issues. Feels like a slightly bigger and improved version of the Uni 2. 0.”
