Order on a business day, Monday-Friday, by 4:00pm Mountain Time (6:00pm Eastern), and we will ship your order the same day. We ship from Cheyenne, Wyoming (USA). Free Shipping within the USA mainland generally arrives within 2-9 business days for non-lithium batteries and within 10-14 days for lithium batteries. Or, for faster shipping, choose a UPS option during checkout to get your order as early as the next day! Same Day Shipping does not apply to backorders and some holidays. Free shipping?