Maxell Corp. of America (http://maxell.com) has introduced two high temperature-resistant coin-type Li/MnO2 batteries for tire pressure monitoring systems and other rugged applications. The batteries—available as CR2450-HR for standard vehicles and CR2450-EX for premium vehicles—can operate from -40 to 150C and have a standard capacity from 525 to 550 mAh. Both types measure 24.5 mm in diameter and 5 mm high, and weigh less than 6.8g.
This Gadget Freak review looks at a cooler that is essentially a party on wheels with a built-in blender, Bluetooth speaker, and USB charger. We also look at a sustainable, rotating wireless smartphone charger.
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