The 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. Product Features Charger and cable included 1500 mAh Li-ion rechargeable battery cell Compatible with Black Diamond Dual Fuel headlamps and lanterns