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How do I select a power pack?

Capacity is important

The desired number of charges. Charging multiple devices or one device requires a larger battery capacity.

Existing charger

View existing chargers. If your device is not specifically mentioned in the description of the portable power pack, please compare its specification with that of your existing charger. For example, the iPhone and most Android smartphones require at least one ampere (5 watts), while the iPad and other tablets require 2.4 amperes (12 watts).

Dimensions, weights, ports and plugs

It is also necessary to consider whether these ports are consistent with the ports of the device. The size and weight will increase with the increase of capacity.

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