Questions tagged [batteries]
For questions about the batteries of your drone. Please consider using a more specific tag as well, e.g. [lipo].
50 questions
0
votes
2
answers
60
views
how to connect the output of a boost converter to a battery
I have a project where I want to connect a battery and a hydrogen fuel cell to a drone, here is the specs:
please feel free to correct me if I'm wrong.
the drone will need around 80 amps on 6s ...
0
votes
0
answers
30
views
DC motor specs for a 800 gram drone
I new to drone building, and I've been looking for motors for my 800g (liberal estimate) drone. Everything I've found when it comes to brushless motors has been too low on torque to support propellers ...
0
votes
1
answer
124
views
Can a drone fly forever?
I have an idea. If you attach some drones to a solar panel ( the big ones ) and use it to power the drones, can it fly forever? (Without weather) (With (not charged) extra batteries connected to the ...
- 1
2
votes
1
answer
82
views
What should a LiPo's voltage be at full charge?
How can I determine what the voltage of a LiPo should be when at full charge? Specifically, what should the voltage at full charge for a 2200mAh 20c 3-cell LiPo be?
- 23
0
votes
1
answer
132
views
How much current can float through all pads of the PDB (Power distribution board)?
I want to buy the „PDB-HEX, 12S“ Power Distribution Board. Are the current values of PDB/current sense resistor and ESC power pads meant for the summarized current of all motors or for each Motor? Why ...
- 21
1
vote
1
answer
89
views
How do I store a Li-ion pouch battery without any discharger or balancer?
I have a single-cell 3.7V 900 mAh Li-ion pouch battery and a 7.4V 30c 2s 850Mah Li-ion pouch battery. I want to store these two batteries (the manufacturer suggests I should store the 2s pack at 3.8V)....
- 65
0
votes
1
answer
179
views
Why wont my 1000kv brushless motor work with a 10x4.5 propeller?
When I run my A2212/13T 1000Kv brushless motor by itself with 11.1 or 7.4 volts(i am using 2 lipo 3.7volts 900mah and a li-ion 3.7v 900mah in series that I connected with alligator clips) it runs fine....
- 65
2
votes
0
answers
63
views
Parrot AR Drone 2.0 full battery shows as empty
A friend of mine gave me a Parrot AR Drone 2 that had been lying unused for a number of years. It was in working condition when he last used it. I had also flown it then.
When I got the drone, the ...
- 121
3
votes
2
answers
259
views
Motor voltage, kv, and battery weight saving
I would like to ask about motor and prop size and efficiency.
So I was thinking to get either some 2203.5 motor with 1600kv wingspan of about 1,6m and 16x5 prop (prop length of 25% of wingspan), ...
- 31
2
votes
1
answer
356
views
Rewiring 2S2P as 4S
I have LiPo battery that is in 2S2P configuration, however I need higher voltage (4S) battery for my project. From my understanding 2S2P battery has 4 cells same as 4S (2 in series and 2 in parallel). ...
- 123
1
vote
0
answers
168
views
Calculate the total energey required to fly drone
How much energy will drone batteries consume if I have the following inputs,
By using provided GPS flight path data I've calculated total horizontal distance using Haversine formula, and multiplying ...
- 111
3
votes
1
answer
217
views
Can I use a MJX bugs 5w battery and/or charger for the MJX Bugs 5w 4k (upgraded version)?
I am wondering if I can use the MJX bugs 5w battery for its upgraded version (MJX bugs 5w 4k) as it seems they both are the same dimensions, so it can slide into the drone. Also, I am wondering if I ...
- 65
3
votes
2
answers
2k
views
Will wiring two batteries in parallel fry my drone?
Will connecting 2 lipo batteries of 3.7 V of 1500 mAh in parallel for a power source to a drone fry it? I understand the voltage will continue to be 3.7 V because it's in parallel. The current or Amps ...
- 381
3
votes
1
answer
207
views
Is it safe to use 18650 battery pack for my setup?
I'm a beginner in FPV hobby.
I want to build a 18650 battery pack (4S1P), but I'm not sure what the right cells for me are.
Specs:
I am using 4xMotors Xing 1404 3800kv which have a max continuous ...
- 31
3
votes
1
answer
206
views
Charge Tello while powered on?
Is it possible to charge the embedded battery in DJI Tello while the drone is powered on, in any state? Eg restart, emergency, landed
For example, when I want to keep taking photos (without flying), ...
- 131