Gerbing B7V-2500KIT suitable e.g. for IXS X-7 heated gloves Features 2x Li-Ion battery 7V B7V-2500 1x charger BCG7V-650 These B7V-2500 batteries are supplied with all Gerbing 7V heated clothing/gloves. If the heated gloves or heated clothing need to be used for several days & you do not have a power outlet available to charge the B7V-2500 batteries, they are of course also available separately so that you can use your heated gloves always & everywhere.