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It is considered that below 15 ° Celsius, the performance of your battery decreases.
Indeed, LiPo batteries, which equip the vast majority of drones on the market, operate on a chemical reaction to produce electric current. In the presence of low temperatures, the chemical reactions are slowed down. The colder it is, the lower the power of your battery.
Tip # 1: Fully charge your battery.
A fully charged battery will have a higher voltage. If the cold suddenly drops the voltage of your battery, it will not reach its critical threshold and will not go into security mode. We recommend not to take off if your battery is less than 90% charge.
Tip # 2: Provide for sudden voltage drops.
As mentioned earlier, cold can suddenly drop the voltage of your battery. We recommend that you fly more calmly than usual. Do not try to push your drone into its entrenchments; more slowly you will fly less your drone will have risk of falling from the sky.
Tip # 3: Plan for a shorter flight time.
As you can see, low temperatures strongly impact the capabilities of your battery. Depending on the type of batteries, it is considered that the flight time is reduced by about 20 to 30%.
Also note that at high altitude, where the air pressure is low, the engines of your drone will have to turn faster to produce enough lift. Your flight time will be even more diminished. We recommend, therefore, to opt for propellers with a significant step. The higher the pitch of the propeller, the more the latter will lift.
Tip # 4: Preheat your batteries.
You can use battery heaters if you have a DJI drone ( Phantom Battery Heater 3 , Inspire Battery Heater 1 ). Some drones of the brand as the Inspire 2 has a function of automatic preheating, specially dedicated for this kind of situations.
If you do not have smart batteries, we recommend running your engines at low speed before taking off for 2/3 minutes.
Tip # 5: Do not store your batteries in the cold.
We will never repeat it enough, storage of LiPo batteries in a cold place is very dangerous. Indeed this can create voltage differences between the cells of your battery. When the voltage difference is too great, your battery goes into safety mode and will not even charge anymore.
This list is not exhaustive, if you have any other advice do not hesitate to share them in the comments
Enjoy the flights everyone,