A spare battery pack and cradle is available for use with the B1S. This battery (and the standard battery that comes with the unit) will last the B1S approx. 10 minutes on continuous maximum output. The spare battery pack comes complete with the integrated battery connection lead. This does not come with an additional charger.
For any technical queries please email techsupport@conceptsmoke.com or call +44 (0)1628 825 555.