... keep:about 300 6. Content of battery: 650mAh7. Normal working voltage: 3.3~4.2V8. Full battery ... receive your payment 4. Payment: PayPal, Western Union, T/T 5. Delivery time: samples order within 1-2 ... days 6. Shipment: EMS,DHL,China Post,etc,Normal air freight as per customer's requirements Advantages ... 510 Screw thread, compatible with 510, eGo, eGo-T, eGo-W, eGO-C battery5. Low resistance atomizer ...