41.   They say the batteries could be used to provide power for anything from cars to cellphones.

42.   Those lucky enough to own a television use car batteries to power them.

43.   This adds an extra pound and, if you use both batteries, takes battery life close to six hours.

44.   Toyota will become the first automaker to use these batteries, rather than the more conventional lead-acid batteries, in a production vehicle.

45.   Both presidential candidates have been using a battery of studies from ideologically friendly sources as armament for their policy combat.

46.   Conventional electric vehicles use batteries to provide electric power.

47.   Lithium-ion batteries are used in an increasingly wide range of electronic products, including notebook personal computers, mobile phones and video cameras.

48.   The batteries are used in personal computers and mobile phones.

49.   The batteries are also used as back-up power supplies in computers, and other equipment.

50.   While the new battery will be used first in novelty items, the idea is rooted in practicality.