Spare USB cable with magnetic connection - Compatible with all magnetic-charging Fenix lights currently available for sale on Fenix-Store.com. Current list of compatible products (this list will be added to as new lights are released and may be incomplete) WF25Rm*, WF26R*, HM61R V2 * This cable can be used to charge the WF25Rm and WF26R directly but is not compatible with their cradle-charging function.