Unboxing and testing HDX batteries! We compare their price and performance to other brands, especially Kirkland batteries from Costco. Discover if HDX batteries offer great value and whether the 60-pack is worth it. Find out now! #HDXBatteries #BatteryReview #BatteryTest #CostcoKirkland #BatteryComparison #BestBatteries #AffordableBatteries #ValueForMoney #SixtyPack #BatteryDeals