Stillbothered by frequent dead batteries when you are enjoy the tasty electronic cigarettes? Why not take this 2pcs18350 3.7V 900mAh LithiumBatteries Set which is specially designed for your device? The lithium batteries setis featured with high-energy density， stable discharge voltage， high-temperature resistance， long lifespan and environment protection. Besides， it is safe to use and up to standards so that there is no risk of venting with flame or explosion. Buy one to offer secure power supply!                                    Features             High quality and durable<br> Provide excellent continuous power sources to your device<br> High energy density and long life battery<br> Specially designed for electronic cigarettes<br> High capacity and offer higher discharge rates<br> Safe and secure， no risk of venting with flame or explosion <br>                                                            Specifications             Voltage     3.7V    <br> Type     Lithium Batteries    <br> Color     Gray    <br> Capacity     900mAh    <br> Dimensions     (1.57 x 1.57 x 0.79)" / (4 x 4 x 2)cm (L x W x H)    <br> Weight     1.55oz / 44g     <br>                                                             Package Includes            2 x Lithium Batteries<br>