Black Diamond BD 1800 Rechargeable Battery & Charger Pointer Brand Circumference: 12 inches (size 9)

Circumference: 12 inches (size 9)

Granite Peak ACT Impact Midsole

1:50k and 1:62

Automatic Pressure Equalization Valve - balances interior pressure

Black Diamond BD 1800 Rechargeable Battery & Charger Pointer Brand Circumference: 12 inches (size 9)The new BD 1800 Rechargeable Battery and charger is the next evolution in modular rechargeable battery pack technology. Compatible with the Sprinter 500 and ReVolt 350, the BD Rechargeable battery comes with a USB charger and is a 1800 mAh Lithium Ion rechargeable cell, giving you the freedom of reliable light you can use again and again while running, climbing and trekking in the mountains. Charger included 1800 mA hr Lithium ion of rechargeable