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The reusable engine for your light. The BD 1800 Battery is the sustainable power source designed to keep your headlamp running through multi-day expeditions and alpine starts. Built as the modular core of Black Diamond’s Dual Fuel technology, this lithium-ion cell offers a reliable, rechargeable alternative to single-use alkalines. Whether you are packing a backup for a long night of navigation or simply reducing your environmental footprint, it provides the freedom to recharge and go again, ensuring you are never left in the dark when the sun goes down.
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🇺🇸 Ship from USA · On Agora since 2025
$24.95