The Orchid Essentials PurBeast 510 Battery is a high-capacity vaporizer battery designed for use with 510-thread oil cartridges. Capacity: 650mAh. Features: Designed for rapid charging via micro USB, typically taking about one hour to fully charge. Performance: Designed to last for approximately 1–2 grams of oil usage. Compatibility: Standard 510 thread, suitable for Orchid Essentials cartridges and other similar products.