Better Place used the same technology to swap batteries that F-16 jet fighter aircraft use to load their bombs.

The LG 4X HD has a removable back (good for if you want to swap batteries).

Sometimes car owners will rent a car overnight to swap batteries, he said.

While a battery swap system reduces the manpower required to swap batteries, recent developments in battery charging technology allow batteries to be charged more quickly and efficiently potentially eliminating the need to swap batteries.

It can't be too hard to open either if you expect people to open/close it often to swap batteries.

A battery switch station using only 15 batteries allegedly had the ability to swap batteries for 2,500 EV's.

This allows a user to swap batteries in the middle of an application without danger.

This to allow continued working while swapping spent batteries.

However, charging can be achieved in about 30 minutes and it is possible to swap batteries.

Several manufacturers offer entire lines of tools that run on a single, interchangeable battery, which is a convenient, cost-effective option, especially if you've got several tools that you can swap batteries between.