Topgreen excellent performance stable electric cigarette best ego battery :Package content of ego double twist battery kit:Ego C twist battery x 2Atomizer( optional) x 2USB charger.Wall charger.Needlbe bottle.manual.ego case.Package content of ego single twist battery kit:Ego C twist battery x 1Atomizer( optional) x 1USB charger.Wall charger.Needlbe bottle.manual.ego casevariable voltage battery :Voltage range:3.3V--4.2V.Smallest step:0.1V/step.Capacity:650mah/900mah/1100mahColors available:650mah:black,white,stainless steel.900mah:black,white,stainelss steel,red,blue,pink.1100mah:black,white,stainelss steel,red,blue,pink. Ego Twist battery Pictures: Customization options:1.Print your LOGO on the battery and gift box(for OEM)2.Design the box and cigarette based on your idea(for ODM)Payment terms:1,We support T/T, Western Union, Paypal payment terms(Paypal only used when total amount less than US$1000dollars.)2,Sample order:100%prepaid;3.Mass order: 30% deposite for order confirmation, 70% balance payment before shipmentAfter sale service :1. One year warranty policy2. We will send you the free replacements along with your next order3. Choose the best shipping company for you.4. Track the parcel until you get it.