they use rechargable batteries
It's always preferable to charge from completely flat. However - modern Li-ion batteries don't suffer from 'memory effect' like the old Ni-Cad batteries did.
batteries
By fully charging and fully discharging some batteries the expected charge time can be increased. Some rechargable batteries will last longer per charge if they are fully discharged before you recharge them again. Recharging batteries before they are fully discharged may cause a battery memory effect that will allow the battery to run for a shorter period between recharges.
Because they use batteries.
they were called Voltaicpiles they were a very big battery that was carried over the sholders
in the 1800's batteries were big and bold and did not last that long and the start of the 1900's they created a battery called alkine which lasted a decent amount of time.
You should get the big big batteries.
According to various toy websites, the Nerf Big Bad Bow does not require batteries.
You dont need batteries to light a lightbulb!
Actually a battery is a group of cells.Sometimes a group of batteries might be called a battery bank.
About the size of a microwave
You can, it's called the Toyota Prius.http://en.wikipedia.org/wiki/Toyota_Prius
You can purchase Eneloop batteries at most big box retail stores and camera stores. Online computer stores also carry the batteries.
AAA batteries are not very big. They would fit in a toy from Ann Summers as long as the toy specifies that it takes AAA batteries. Make sure to use the right size.
6 D batteries(the fat ones and big ones)
For ordinary camera batteries, try the camera department of a big store such as Target or WalMart. For proprietary batteries (special batteries for specific cameras) try a camera shop or B&H PhotoVideo online.