This is the 510 Manual button Battery. Allowing you to have control over Atomizer activation .. 

There are two color for choices:

1-Black body blue Led Tip
2-Platinum Body with Blue Led Tip

The Joye 510 is also known as the Yeti, Titan, TEC and Dura 

Length: 112MM

Battery Life: 300 Charges

Charging time: 120 Minutes

Battery Power: 180 Uses per charge