SMOK eGo batteries are universal with all eGo/eGo-T and 510/510-T products.

This is not some generic knock-off.  Smok Tech is known for manufacturing electronic cigarette hardware and accessories that are unsurpassed in both quality and performance.

1100mah Capacity is designed to provide long battery life between recharges. 

*3.7v Rechargeable battery for eGo/eGo-T .