Choosing a power bank that can keep a laptop charged
Engadget says to look beyond capacity and check how fast a power bank can deliver power, so your laptop doesn't keep draining while connected.
TLDR
Not every power bank is suitable for charging a laptop, Engadget explains. Its guidance is to consider both capacity and how quickly the bank can supply power: a laptop can still lose charge while connected if the bank can't keep up.
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