Batteriser is a $2.50 gadget that extends disposable battery life by up to 800%

This slim metal sleeve is essentially a super-minimal voltage booster that slips onto a disposable battery, and extends its life up to a claimed 800 percent for batterie sizes AAA through D. The post Batteriser is a $2.50 gadget that extends disposable battery life by up to 800% appeared first on Digital Trends.