1.   The toy requires four batteries, which are not included.

2.   Electricity for transport requires batteries.

3.   As Ms. Chen explained, the prototype uses simple mechanisms that do not require batteries so the user will not be stranded and the chair can be produced economically.

4.   If a toy requires rechargeable batteries, it stands a fairly good chance of being cool.

5.   In addition, they require batteries, which adds to their cost.

6.   It does not require a battery.

7.   Just to graduate requires a battery of courses that includes, among other tasks, computer training, drug rehab and money management.

8.   More importantly, the TremorPak Plus requires no batteries.

9.   Such a detector could be designed as a badge that requires no batteries.

10.   This game requires no batteries.