Whirlwind – C4 – User Manual – P. 12
8. Battery and Charging
8-1. Charging between the temperature range 0°C-
45°C and discharging between -20°C-60°C,
keep the battery dry
8-2. Keep the battery away from acid, alkaline,
watery, flaming, heating and high temperature
environment
8-3. Charge the battery with the equipped adaptor
and charger, charging time must not exceed 6
hours, charging current must not exceed 2A
8-4. If the battery is not to be used in a long time,
keep the battery in a dry and cool environment,
and charge it for 2 hours every two months
8-5. Charge according to the manual requirements
8-6. Charge in a dry and cool environment, do not
charge in closed or high temperature areas
8-7. Unplug the charger when the charging is done,
do not plug the charger to power source while
not charging
8-8. Plug the battery first, then connect the power
source when charging, after charging disconnect
the power source and then unplug the charger
8-9. If the charger indicator stops working or the
charger overheats, unplug the charger
immediately and repair or replace the charger
8-10. In Keep the charger away from fluids while
using and when storing and avoid any
penetration to the charger
8-11. Try not to carry the charger around with your
bike. If you must, make sure it’s well protected
and store it in your tool box
8-12. Avoid the battery being fully discharged when
using
8-13. Do not disassemble or replace any parts of the
charger by yourself
8-14. Do not put the battery in any high places where
it may fall to the ground, in case it may cause
battery leakage or overheating that could lead to
fire
