4. Use the device at normal ambient temperatures and avoid exposing it to extreme
temperatures. Otherwise, the battery life will be shortened or unpredictable risks may
occur.
5. The device contains sensitive electrical and mechanical components. Do not forcibly
bend or pull the connecting cables, and do not insert unrelated objects into the
connectors.
6. Keep the device out of the reach of children.
7. Do not mix batteries of different devices.
1.3 Battery Operation Safety
1. Do not immerse the batteries in water. Store the batteries in a cool and dry place when
they are not in use.
2. Do not use or place the batteries near heat sources, such as fire and heaters.
3. Charge the batteries with the charger provided.
4. Do not reverse the positive and negative poles of the batteries.
5. Do not directly plug the batteries into the power sockets.
6. Do not throw the batteries into fire or heaters.
7. Do not connect the positive and negative poles of the batteries with metal objects to
avoid short circuits.
8. Do not transport or store the batteries together with metal objects.
9. Do not hit, drop, or step on the batteries.
10. Do not dismantle the handle housing, weld the batteries, or pierce them with sharp
objects.
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