" The Xenium NRG was built in partnership with Energizer Holdings and Techtium, a chipmaker specializing in power management. The latter company's hardware makes it possible to mix conventional battery power with the lithium-ion pack used in cellular phones. "

" The backup battery offers up to three hours of talk time after the main battery runs out of power. The Xenium phone's main battery provides 10 hours of talk time when fully charged, "

" The backup system operates on a standard-sized AAA battery. If the latter battery is rechargeable, then the phone will recharge the backup when doing the same for the main power source. "

" with patented charging and battery-type detection algorithms. While providing convenience,
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