The BD 1500 Battery & Charger by Black Diamond is a practical set consisting of a rechargeable lithium-ion battery and the corresponding charger with cable. The battery is suitable for all Black Diamond headlamps and lanterns that feature BD dual-fuel technology. Whether on your hiking, running or climbing tours - this power source reliably ensures that your lamp or lantern lasts a long time. With the BD 1500 Charger, you are finally no longer dependent on conventional batteries and always have your own power source with you. So you'll never be in the dark again - even when you're far away from any power sockets!