The Doteco TIK10 400mAh battery is a compact, lightweight rechargeable battery designed for 510-thread oil vape atomizers. It features variable voltage output with four preselected voltage modes (2.7V, 3.2V, 3.7V, and 4.2V), adjustable via a simple three-click power button. The battery also includes a preheating function, a 12-minute auto-shutoff feature, and a USB-C charging port for quick recharges in approximately 40 minutes. With its sleek aluminum case available in four colors and smooth finish, the TIK10 is both durable and stylish, making it ideal for extended vape sessions.