Questions tagged [batteries]

For questions about the batteries of your drone. Please consider using a more specific tag as well, e.g. [lipo].

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8
votes
3answers
840 views

Alternatives to LiPo batteries

LiPo is often the first choice of battery due to its high discharge rate and high specific energy (100 - 265 Wh/kg), defined as its energy per unit mass. In terms of these two characteristics, what ...
20
votes
2answers
591 views

Is it safe to fly LiPo batteries after they get "puffy"?

Some of my LiPo batteries got "puffy" after a few months. Is it still safe to fly them, or should I safely dispose of them?
12
votes
2answers
1k views

In what situations do puffy batteries pose a risk of ignition?

In this Drones and Model Aircraft SE question, Is it safe to fly LiPo batteries after they get "puffy"?, David O. asked if it is safe to use puffy LiPo batteries. Gparyani provided an ...
5
votes
5answers
161 views

What affects the total flight time for a drone?

What factors would affect a drone's flight time? Battery capacity? Weight? Anything else?
4
votes
3answers
269 views

Why do higher voltage batteries need lower KV motors?

I've noticed that higher voltage batteries need lower KV motors, why is this?
7
votes
1answer
87 views

How to restore LiPo-powered aircraft that have not been flown for years?

I have a bunch of relatively inexpensive battery-powered radio-controlled aircraft that I haven't flown in over a year. I haven't flown some of them in over 3 years. The aircraft are airplanes, ...
6
votes
2answers
131 views

What are the conditions for LiPo battery damage from undervoltage?

It is widely known that Lithium-polymer cells are permanently damaged if their voltage drops below a certain threshold, around 3.0 volts, but I couldn't find much on the exact conditions and factors ...
6
votes
1answer
264 views

At what voltage per cell should I store a LiPo?

Some sources say you should store your batteries at 3.85V per cell, other says it should be 3.7V. My charger (ISDT Q6 Lite) on the "Storage" mode has a thumbs-up mark at 3.7V, probably indicating ...
3
votes
2answers
316 views

Series or parallel connection for drone batteries?

What is the difference between adding two drone batteries in series vs a parallel connection for flying the drone?