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Using TekCharge MP1820
TekCharge can power or charge any portable device that requires 5V . If your device has a DC
jack with center negative polarity, do not power the device with TekCharge as it does not support
center negative polarity .
Charging TekCharge MP1820
TekCharge should be charged when initially removed from the package, or when the capacity
indicator lamp turns orange to indicate that the battery has less than 20% capacity . As an option,
you can simultaneously charge both TekCharge and the connected device .
1 . Plug the included mini USB adapter tip into the retractable input/output cord .
2 . Plug the mini USB tip into the mini USB port (5V IN) .
3 . Plug the USB plug on the opposite end of the input/output cord into a USB port on a computer
or a USB power adapter, and connect to a wall socket .
4 . To charge only TekCharge, slide the power switch to OFF . If the battery level is less than 80%,
the lamp will be orange . When the battery is more than 80% charged, the lamp will change to
green . The battery will be fully charged after 8-10 hours .
Or
To charge both TekCharge and the connected device, slide the power switch to ON .
TekCharge will be charged first, and will in turn charge the connected device . This connection
will work only for devices that charge slower than the input power (500mA) . If the connected
device draws more power than the input power, TekCharge will be depleted at some point .
5 . When the battery is fully charged, unplug the input/output cord from both TekCharge and the
computer or charger .
USER GUIDE
Center Negative
Center Positive
5
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