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By not using the cradle?.....Yes.
By not using the Bottom Connection?.....No.
You need one of
these (which was supplied with your X3...small and easily lost), and an AC Adapter. This is, providing, that the bent pins do not include any charging pins.
Or you could do a Full Back-Up, remove your Main Battery and put it in the slot at the rear of the Cradle. But in the length of time to do a full charge on your battery, it will most likely have drained your BUB, resulting in a Hard Reset.
Hence the Back-Up to restore from.
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