Duracell Ultra Power is Duracell's #1 longest lasting battery for all devices*. It provides reliable performance and long-lasting power for a broad range of everyday devices.
The POWERCHECK™ technology makes it easy to check how much power is left in each battery to avoid unnecessary interruptions in your device usage. It also enables you to re-use your batteries in low drain devices even when they no longer work in high drain devices (keep batteries together and not mix with unused batteries in second device). You simply press the white dots on both ends of the battery and see the remaining amount of power on the energy meter.
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