Duracell Ultra AAA alkaline batteries with high performance cathode technology. Duracell Ultra Power provides up to 40% more power vs Duracell Plus. Duracell Ultra Power batteries have POWERCHECK, an integrated tester that always let’s you know how much power is left in your battery.

The Hahnel HL-X1 Battery is an alternative to the Sony NP-BX1 battery, as used in the Cybershot DSC-RX100 digital camera. Capacity 1090mAh, 3.6V, 3.9WhLithium IonInfo Tech SystemReplacement for Sony NP-BX1