| 摘要 |
A device such as an electrotherapy device implementing the invention includes multiple power module receptacles each of which is configured to received at least one type of power module, and a power management system that selectively routes power provided by one or more installed power modules to the device components and, preferably, to other power module receptacles. The types of power modules that operate in the power module receptacles include, for example, rechargeable battery packs, non-rechargeable battery packs and AC power packs. Preferably these power modules are each fully integrated, functionally self-contained power modules. For example, the rechargeable battery pack includes a charge controller specifically designed to charge the battery pack in which it is implemented.
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