This is the same Aspire K4 battery that comes with the K4 Quick Start Kit.

It can be used with different tanks, 22mm being the ideal diameter. These batteries can also handle sub-Ohm coils as the K4 kit includes 0.27 Ohm Cleito coils which are rated 40-55W.

Specifications:

• • Battery capacity is 2000mAh
• • Manual battery turned on/off with a 5 click function
• • Carbon fibre coated outer tube
• • Over-discharge and over-charge protection
• • Short circuit protection
• • Micro USB charging port at base
• • 510 threaded
• • Height 84mm
• • Diameter 22mm

Whats in the box:

• • 1x k4 battery