BD 1800 Battery & Charger Size:One Size Inspired by the popular adult-sized

Inspired by the popular adult-sized version

cragging with a full rack or bikepacking solo

Ideal for your dark trail or road run

11% elastane four-way-stretch double weave

Vuori's super popular Energy Tank gets an extended hemline on this longer version

BD 1800 Battery & Charger Size:One Size Inspired by the popular adult-sizedThe Black Diamond BD 1800 Rechargeable Battery and Charger Set is built for adventurers who demand reliable, reusable power in the outdoors. Designed to work seamlessly with the ReVolt 350 and Sprinter 500 headlamps, this 1800 mAh lithium ion battery pack offers dependable performance whether you're trail running, climbing, or trekking. Its Dual Fuel compatibility means you can use either the BD 1800 rechargeable battery or standard alkaline cells,