The Hamilton Devices PB1 is a sleek and stylish pipe-style battery designed for use with 510-threaded cartridges. With a powerful 350mAh battery and easy-to-use one-button operation, this device is perfect for on-the-go vaping. Its compact size and durable construction make it a great choice for anyone looking for a reliable and discreet vape battery. Keywords: Hamilton Devices, PB1, pipe-style battery, 510-threaded cartridges, 350mAh battery, one-button operation, compact, durable, discreet, vape battery.