We offer discount for large quantity. We invite you to ! 900Mah tubular battery variable voltage fits most 510 threaded, 5/1/0 threaded stylus pens charges fast long-lasting1. [Unique Design]: Limited edition wood color design for the elderly, suitable for most 5/1/0 threaded ink cartridges. 900mah tube-shaped battery with variable voltage, suitable for most 510.2 threads. [threaded stylus charger]: excellent craftsmanship, impeccable performance and reliability. Power supply optimized for thin viscosity. This can provide ideal power supply in all conditions.3. [Quick Charge]: Suitable for most 510 threads, . When fully charged, it will automatically leave charging.4. [Safety]: Built-in voltage protection, overcurrent protection, overcharge protection and short circuit protection to ensure the safety of charging.5. [Applies to]: Applies to any festival. It is also an impeccable gift for father, a gift for lovers, family, boyfriends and friends. Battery Capacity: 900MAH Usage Usage: Five clicks to turn on/off and three clicks to cycle through low (green) medium (blue) and high (red) power settings. Material: ABSolor: Red Wood ColorPackage Contents:1 x 510 vape pen threadOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm. About UsWe provide good product with best price, we support wholesale order/