For ejuice vaping on-the-go, the 1100mAh EVOD Twist VV Variable Voltage Battery offers better than average battery power, simple operation, and universal compatibility. Compatible with 510-threaded attachments, the EVOD Twist VV lets you power up your favorite tanks with long-lasting battery life. EVOD Twist VV batteries allow you to choose between 3.2 and 4.8 volts. The 1100mAh EVOD Twist VV is slender and easy to conceal outdoors. Power the EVOD Twist VV Battery on or off with five clicks. Overcharge protection keeps the EVOD Twist VV from overheating while it charges. The 1100mAh EVOD Twist Variable Voltage Battery is ideal for eliquid vaping on-the-go.