1. Make sure that you charge the product fully prior to rst use.
2. Several factors will affect the performance of the battery, for example, the rider’s weight,
road conditions, battery capacity and speed. To maximize battery performance, try to
cycle at a steady pace on at surfaces.
3. When storing the battery for a longer period of time, (e.g. during winter time) it is important
to place the fully charged battery on a at surface in a dry place.
4. The battery should be re-charged once every 2-3 month when it is not used.
Warning:
4.1 Keep the battery out of the reach of children.
4.2 Never try to open the battery.
4.3 If the battery is damaged because it has been dropped or because of a biking accident,
there might be a risk of electrolytes leakage. Beware of chemical burns! And immediately
stop using a damaged battery.
4.4 Do not touch the battery without a cloth or gloves and make sure no acid touches your
eyes.
WHIRLWIND Q4 USER MANUAL6 WHIRLWIND Q4 USER MANUAL 7
2.1 Rear View
Motor
Rear Wheel
How to Use
3.
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