Electricity enough long service life safety environmental protection HI-MAX 18650 LI-ON BATTERY | Battery core brand: 18650 | Battery core voltage: 3.7~4.2V | Battery core size: 65*18mm | Batteru core weight: 50g | Nominal capacity: 3100mAh We only using UPS DHL EMS as shipment forwarder. UPS and DHLwill take 3-7 business days delivery. EMS will be slower buthave less chance to pay tax in your ...