Joyetech eGo ONE V2 1500mah Standard and 2200mah XL Version Starter KitCompatible Model: eGo ONE V2 Atomizer Nominal Capacity: 2200mAh Firmware Upgradeable: No Short circuit Protection Function: Yes TCR Adjustment Modes: No Type: EGO Atomizers Identification Function: Yes Temperature Control: No Display screen: No Model Number: Joyetech eGo ONE V2 Starter Kit Overheating Protection Function: Yes Monitoring Function Of Smoking Number: No USB Charger: Yes Brand Name: JOYETECH Silicone Case: No Material: Metal Built in Or