The ViVANT 510 Thread Walnut Wood Vape Pen Battery is made with real walnut wood and slate anodized aluminum, this battery boasts a stunning appearance. Its protected, cartridge drop-in design accommodates most 510 thread cartridges and is powered by a 290mAh lithium-ion rechargeable battery core. Elevate your vaping experience with style and quality. Features: Unique patented industrial design Genuine wood tube construction Durable stainless-steel inner sleeve Leak-resistant design Type-C charging port Comprehensive safety features: short circuit protection, over-puffing protection, and low battery voltage protection Specifications: Cartridge Resistance: 1.2 ohm ~ 3.0 ohm Supported Cartridges: 0.5ml / 1.0ml; 510 thread interface; 10.5mm in diameter Sensitivity: ≤ 17.5ml/s Suction Resistance: 200 ~ 1000 pa (at 17.5ml/s airflow) Constant Voltage Output: 3.5V (customizable) Battery Capacity: 290mAh Charging Time: < 2 hours Product Size: 108.3mm (height) x 16mm (diameter) Product Weight: 27.62g