Description: 100% brand new and high quality Features: It’s compact, portable, high capacity, durable. High efficiency, environmental protection, no fever. Buit in Li-ion battery, its capacity is 650mah or 900mah optional. Compatible with all of our for UGO-V2 series atomizers. Short circuit protection: when a short is detected, the battery will shutdown until the short is removed. Use for electronic cigarette to charge. Specifications: Item Type: UGO-V2 Battery Voltage: green light: 3.4V, blue light: 3.7V, red light: 4.0V Battery Capacity: 650mah, 900mah(Optional) Material: Metal Size: Diameter: 14mm/0.55in; Height: 89mm/3.5in, 101mm/3.97in Color: Black, Blue, Green, Purple, Red, Steel Color, White(Optional) Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x UGO-V2 Battery