Lumonite Tube is a simple charging tube for SCB2 (e.g. Compass R) battery. It enables spare battery charging without the lamp. With Lumonite Tube the spare battery can be charged separately meanwhile the lamp is in use. This way double battery use becomes seamless. Thanks to its sturdy aluminum body, Tube is also a durable and waterproof container for the spare battery. With the belt clip and lanyard hole included Tube can be also carried many different ways. Compatible with Lumonite SCB2 battery (e.g. Compass R) Compatible with Lumonite Snapcharger and Charging Station Water and shockproof Weight: 33 g Material: aluminum Warranty: 60 months