... battery pack for heated products 2)3.7V /7.4V/11.1V ITEM:skiboot,heated clothes,heated gloves waterproof battery packli-ion ... , 2200mAh, 3.7V, 4000mAh.7.4V, 3500mAh, 7.4V, 5600mAh11.1V, 3000mAhFully waterproof battery.Controllers for the skiboot, heated clothes, heated ...