21.   During normal operations, vehicle power is provided simultaneously from both the battery pack and the generator.

22.   For Duracell, there were several battery packs and a mechanical pink bunny.

23.   For indoor charging, the battery pack can be lifted quickly out of the bike and carried by its own handle.

24.   Further, the gyro takes time to spool up to speed, and a power source, like a battery pack, is required.

25.   GM executives said the warranty would cover the battery pack in much the same way gasoline engines are protected.

26.   In both cars, the gasoline engines turn a generator to recharge the battery packs.

27.   In its current form, the pharmacy chip is hardwired to an external battery pack and an unwieldy set of control wires.

28.   In the name of making batteries that last longer, Duracell recently rolled out its Ultra line of refillable alkaline battery packs.

29.   Instead of plugging in to power up, users pull out their battery packs and replace then with fresh ones.

30.   Inside the station, the crew fixed a communications system, replaced defective battery packs and installed foam mufflers around noisy fans.