Philips will soon be introducing a mobile phone called Xenium NRG. Any type of AAA battery can be inserted into the phone, whether it be rechargeable or disposable.
Implications - The phone comes with a compartment built into it that can house a backup AAA battery just in case the phone's traditional battery runs low. Surprisingly, Philips has demonstrated that a single AAA battery could provide up to three hours of talk-time while also increasing the phone's standby time by one week. Although not meant to replace the Xenium NRG's Li-Ion battery, this extra capability would be a good source of emergency power should the user not have access to their standard charger.
Mobile Phone with AAA "BackuPower"
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