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Nordic ID Group
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2017-09-22
Nordic ID EXA51 and Nordic ID EXA51e
User Guide
Version 1.7
NOTE!
Host device needs to support Qi based inductive wireless charging technology in order
to charge from the Nordic ID EXA51. Please contact your device manufacturer in order to
make sure wireless charging is supported.
Picture 6 Wireless charging of host device
1.8.2.2.
CHARGING VIA USB
Host device can be charged via the cradle using a proper USB cable (the cradle contains an USB type-A
connector). Maximum charging power via the cradle depends on charge level of the Nordic ID EXA51
battery. Maximum 7W charging power can be achieved when the battery of the Nordic ID EXA51 is
full/almost full. When the Nordic ID EXA51 charges at full power then the maximum charging power of
host device is limited to 4W.