Black Diamond BD 1500 Battery & Charger Brand_Katadyn but your helmet is not

but your helmet is not one of them

so you're always feeling your best on the mountain

Fitted through the hip and thigh

MADE FROM SOFT COTTON JERSEY

or swap out the internal battery with a spare 18650 Goal Zero Battery

Black Diamond BD 1500 Battery & Charger Brand_Katadyn but your helmet is notThe new BD 1500 Rechargeable Battery is compatible with all BD Dual Fuel headlamps and lanterns. The BD 1500 battery comes with a USB charger and is a 1500 mAh Li ion rechargeable cell, giving you the freedom of reliable light you can use again and again while running, climbing and trekking in the mountains. * Weight : 70 g 2. 47 oz Features: * Charger and cable included * 1500 mAh Li ion rechargeable battery cell * Compatible with Black Diamond Dual