Hubsan ACE PRO User Manual page 5

HUBSAN Safety Notice for Intelligent battery
● If you do not plan to use the product for a long period of time, make sure to
discharge the battery voltage to above 11.7V. If the voltage is higher than
11.7V, the battery voltage will automatically start to discharge to 11.7V after
two days without pressing the battery button. Maintaining and storing the
battery voltage with 11.7V can increase battery life.
● Please use only HUBSAN chargers or HUBSAN Charging Hub for
battery charging.
● Discharge the battery at 5C current or below. To avoid discharge related
battery damage, do not discharge for longer period of time than advised.
● Do not charge in a flammable and explosive environment to prevent fire.
● Batteries need to be recharged if unused for over 3 months.
1. Do not disassemble or reassemble the battery.
2. Do not short-circuit the battery.
3. Do not use or charge near sources of heat.
4. Do not put the battery in contact with water or any kind of liquid.
5. Do not charge batteries under sunlight or near fire.
6. Do not puncture or subject the battery to force of any kind.
7. Do not discard unused batteries to regular trash.
8. Never charge a battery that has been damaged, become deformed
or swollen.
9. Do not solder on or near the battery.
10. Do not reverse charge or over discharge the battery.
11. Do not reverse charge or reverse the battery polarities.
12. Do not connect the battery to a car charger / cigarette lighter or any kind
of unconventional power source.
13. This battery is prohibited to use with non-designated devices.
14. Do not mix other types of batteries with lithium batteries.
15. Do not exceed the specified charging time.
16. Do not place the battery in a microwave or in areas of high pressure.
17. Do not expose the battery to the sun or excessive heat.
18. Do not fly in places with strong interference（ high-voltage line, power
stations, base stations, high-speed rail lines, signal towers, etc.）.
19. Do not use or charge in temperatures below 0 ℃ and above 45 ℃.
20.Warning: Prohibited charging the battery without turning off the battery
on the aircraft first ！
21. If a newly purchased battery showing, leaks, possesses a bad smell or other
abnormalities, contact and return the battery immediately to the vendor.
22. Keep away from the reach of children.
23. Use a dedicated battery charger only and follow all charging guidelines.
24. Adults must supervise minors, if allowed to charge the batteries even
when using dedicated HUBSAN chargers.