| 摘要 |
A battery interchangeability system having an application device requiring a battery of a particular size, an insert device that can be inserted into the application device in place of the required battery, and a battery of a second size that is smaller than original size so that at least one smaller battery can be inserted into the insert device. It is also possible for multiple batteries of a smaller size can be inserted into a single insert and used in parallel or series. In particular, the larger cell size can be D, C or AA size, while the smaller cell size can be C, AA or AAA size. A second, smaller insert device can be used which is inserted into a first, larger insert device with the battery or batteries inserted into the smaller insert device. Optionally, several smaller batteries can be placed around the axis of an insert device in a turret arrangement. Batteries in this arrangement can be placed into the device from either the top or side. An optional cap can be used when the batteries are inserted from the top.
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