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BUILT-IN CHARGING FUNCTION
To utilize the built-in charging function, insert 2 pieces 18650 lithium battery, then
connect a 5V / 1A DC adaptor with a USB mini-B plug to the device. The battery level
indicator on the LCD advances from down to up while charging, with the symbol
“ ” blinking below the charging timer. Charging automatically stops when the
batteries are fully charged ( “ ” ).
Lithium battery safety information (important!)
Improper use of lithium batteries may result in an explosion, please read the below
information carefully:
1. Do not expose the batteries to heat or high pressure, do not drop the batteries,
prevent children from playing with electric currents.
2. Replace with the same type of lithium battery for the usage of this device.
3. Do not short-circuit the batteries, do not open or amend, do not expose it to damp
environments.
4. If not using for an extended period of time, remove the batteries and store in a safe
manner. Please use a non-conductive material to wrap the batteries in order to
avoid direct contact with metal. You can avoid damage by keeping the batteries in
a cool dry place.
5. Dispose of the batteries properly; do not put into fire or water.
6. Do not expose to direct sunlight for a prolonged period, avoid heat, deformation or
smoldering. This will reduce the performance and life span of the batteries.
7. Please consciously abide by aviation regulations; lithium batteries are strictly
prohibited from placing into check-in luggage.
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