* Question
| What are the factors that influence the design?What are the important factors? |
* Answer
| Factors affecting the design include the usual cost, size, weight, etc. Other important factors are: 1 When the battery-depleted device is plugged into the USB interface, how long it takes to start full-featured operation.2 Allow the battery to charge time.3 Power allocation within the USB power limit.4 Do you need an AC adapter for charging? |
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