Panasonic AAA and AA Batteries Remote Control Heavy Duty, Alkaline 4PK, Select Type Brand: Panasonic Purchase is for one pack of batteries. Heavy duty and Alkaline ?AAA? and ?AA? 1.5 V batteries are ideal for low-drain devices. Perfect for remote controls, clocks, and battery powered radios and other low drain devices. Types: ?AAA? 4/Pk, MPN: 5615040-1, UPC: 073096500273 ?AA? 4/Pk, MPN: 6615041-5, UPC: 073096500235 Carbon/Zinc batteries. Free of lead, mercury and cadmium. USA domestic shipments are shipped USPS First Class Mail with Tracking International shipments are shipped USPS First Class International Mail with Tracking When buying different variations from the same or similar listings, the lowest shipping cost is obtained by buying the total number of units wanted from 'One Variation' and then leaving a message within your order defining what items you want to receive and the number of each item you want to receive. The number of items requested cannot exceed the number shown as being in stock. This stops from restarting the total weight summation for each variation. The message link is on the same page where you select method of payment.USPS postage cost is based on total weight and zip code. The cost breakdown is shown before payment is required and the discount for multiple purchases is shown as a separte credit in the list.