Questions tagged [lipo-batteries]

Use in reference to Lithium Polymer batteries, commonly used for their excellent energy density and their ability to provide large currents.

Filter by
Sorted by
Tagged with
3
votes
1answer
24 views

Pros/cons of using a BEC in traditional nitro plane?

I have recently joined a local RC club, and one of the members gifted me one of his older planes. How old? 72MHz, nitro-powered, and with Ni-Cd batteries! Old school but it works. However, I'm ...
2
votes
2answers
31 views

Need tips on getting this to fly properly

Learning the basic concepts. Yet to use a receiver and remote. Using a 3.7 v coreless motor, lipo battery and thermocol for the frame. I figured out how to connect the motors so that diagonally ...
4
votes
0answers
49 views

Lift off without receiver

Can I make a small drone frame achieve lift using 4 coreless 3.7 v motors of 55000 rpm, 3.7 v lipo batteries having 40c without a receiver and remote. Motors are all alike. The propellers I have are ...
4
votes
1answer
32 views

Is my drone battery too large?

I'm new to the drone game. I'm building an Arducopter S500,(2015) with 2212 KV920 max 1200 gram, brushless motors, 10/45 blades, SimonK ESC's, Lipo 5200 11.1V battery, and GPS 2.8. My controller is ...
4
votes
1answer
50 views

Are drone batteries more prone to swelling than other li-ion batteries?

I have lithium ion batteries in my cell phones, laptops, portable chargers, and all sorts of devices. Sometimes I'll keep them off for a week or two and when I turn the device on, the charge may be ...
3
votes
1answer
40 views

All motors vibrating but not spinning?

I made a 3D-printed drone body and attached some MT2204-2300kv brushless motors. I have the standard yellow 30A ESC for each of the 4 motors. I also have an Arduino Uno running YMFC-AL and a FlySky FS-...
3
votes
2answers
140 views

Can a 45C 11.1V 4500mah battery damage a 30A esc if a motor draws less amps?

I am really new to this, I am planning to build my own tricopter drone which can be controlled via raspberry pi using wifi and use Arduino as a flight controller to communicate via USB. I am ...
1
vote
1answer
60 views

Questions regarding drone components

I am wanting to build an ultra-light manned bi-copter from scratch, but I first must learn about the components, which is why I am here. I am working with a 43kv (24s rated, 192 max Amp) 70kg thrust ...
17
votes
3answers
309 views

How long can a LiPo pack be kept fully discharged before storage charging?

There is a reason LiPo packs are recommended to be stored at a storage charge. It is commonly known that storing a battery fully charged reduces its capacity and performance. What about storing ...
3
votes
1answer
57 views

Can you charge 1s and 2s batteries at the same time with the tinyhawk 2 included charger?

I just got a Tinyhawk 2. It came with 2 batteries (2s and 1s) and a battery charger that you plug in to USB. I know that you can't parallel charge batteries with different cell count, but it looks ...
4
votes
2answers
235 views

Determining the mAh of 4S battery for a 3 inch drone

I have a 3" drone frame, flight controller that can take 3S or 4S LiPo, and 1507 4200KV motors. How do I find the right capacity of battery to purchase? Should I purchase 4S 850mAh or 4S 1500mAh? And ...
2
votes
0answers
39 views

What are Pro and Cons of using Lithium batteries over LiPo batteries for quadcopters [duplicate]

I heard that some people combine some Panasonic 18650 (3400mah 3.7V) lithium batteries to make a battery for their drones, I was wondering of the advantages and disadvantages of using this type of set ...
2
votes
1answer
42 views

Can a lipo battery be charged with more than 0.5 amps? [duplicate]

Using ISDT q8 to charge my 1205mAh 6S lipo battery. I'm wondering if I can change the default settings and charge with more amps? Is this recommended or will it degrade the battery much quicker. Any ...
7
votes
4answers
973 views

LiPo 4S battery's output voltage higher than 14.8v

I have a LiPo 4S battery which the output should be 14.8v but it outputs, fully charged, 15.6v. The issue is that I have a voltage limit of 15v on a non-drone device that gathers data from sensors. So,...
6
votes
1answer
50 views

LiPo battery power maximization

I have a 3S1P 2.2A 50C battery for a drone that I build. I have a charger that looks like this: https://www.alibaba.com/product-detail/RC-B3-AC-Lipo-Battery-Charger_60812527463.html At first, when ...
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 ...
20
votes
2answers
581 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?
4
votes
3answers
716 views

Can I use two 2s lipo batteries to power my FPV DJI goggles?

The FPV DJI goggles can take 7.4-17.6 Voltage. I am using a 2S 3000mAh LiPo battery. My plan is to buy another of the same liPo battery and attach it with a female to 2 male TX60 connector, making it ...
4
votes
1answer
129 views

Why do LiPo batteries get puffy?

I have used many liPo batteries with my drones and other RCs over the years and have had a few of them puff up. What are the main reasons that LiPo batteries puff up? And are there ways to avoid LiPo ...
8
votes
3answers
567 views

Will LiPo batteries deteriorate outside with the temperature changes due to day-night cycle?

I am new to the hobby and I'm concerned about LiPo batteries. I live in an apartment (this is Europe, blocks of apartments are the norm in my country) so I can not put the batteries in a dedicated ...
3
votes
2answers
208 views

What LiPo C-rating is best for a small 65mm quad?

I have a small 65mm quadcopter which uses 2s batteries. Is there a recommended LiPo C-rating to get for a drone like this? Or is there some way to figure out what C-rating I should get?
3
votes
2answers
123 views

Is there an advantage to having more LiPo cells in a low-power drone?

A major reason that high performance racing or freestyle drones use LiPo batteries with high cell count (6s rather that 3s or 4s) is so that the voltage won't sag as much. This allows high performance ...
6
votes
1answer
236 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
5answers
250 views

How to determine the largest LiPo I can use in a quadcopter?

Multirotors can usually operate with a larger battery than recommended for longer flight times but slightly less performance. However, there is a point of diminishing returns at which increasing the ...
5
votes
1answer
87 views

Empty Cells on LiPo - Balance Charger or Battery Problem?

I recently opened up a box of 5 year old 3S LiPos which I had in storage. When I hooked them up to my Turnigy Accucel 6 80w balance charger, they mostly measured total voltages around 11v~. However, ...
2
votes
1answer
152 views

How to charge LiPo batteries in series?

Is there any way to use my main charger, which can charge 2-6s batteries, to safely charge multiple 1s batteries in series? (assuming all of the batteries are the same capacity) How would I go about ...
5
votes
3answers
3k views

At what current should I charge a LiPo battery?

I have several different LiPo batteries which I use with my drones, many of them are different voltages and different capacities. How do I know at what current I should charge my drone LiPo batteries?
1
vote
0answers
128 views

What motors, battery and ESC to use for a drone of payload >50kg?

So I am designing this octocopter which can lift up a payload of more than 50kg, min 50kg for an intra-city package delivery drone. From what I figured, with 8 motors, the safest thrust needed will be ...
6
votes
1answer
175 views

Is voltage sag safe if the voltage isn't too low?

I know that a liPo cell should never be below 3.0 volts, but can voltage sag during high throttle maneuvers damage the battery excessively even if the voltage it not below that level? And if that is ...
5
votes
1answer
525 views

Can I use LiHV batteries as normal batteries?

I have a small drone and the only batteries I can find that fit it are LiHV batteries. Can I use LiHV batteries like normal LiPo batteries? Can I just simply charge a LiHV battery to 4.2v and fly with ...
8
votes
2answers
213 views

Why do LiHV batteries degrade faster than an equivalent LiPo?

There seems to be a lot of anecdotal evidence, at least on YouTube, that LiHV batteries degrade faster than LiPos. Is this true? I own a couple whoops and only have 1s LiHV batteries since I can't ...
12
votes
4answers
292 views

At what per-cell voltage should I land?

I built 5" quad and I'm using 4S 1300mAh LiPo batteries. My question is: at what voltage should I land? Let assume that I'm trying to land when my battery is as low as it should go without causing ...
10
votes
3answers
586 views

How low can I safely discharge a LIPO battery during flight?

What is the minimum voltage I can safely discharge a LIPO battery during a flight? For example, if I have a 3S LIPO battery, should I be aiming to land my RC plane before the battery gets below a ...
10
votes
4answers
105 views

What does the C rating on a LiPo battery mean?

I see LIPO batteries specify a C rating on the label. What does that stand for and how does it affect the performance of the battery?
7
votes
1answer
86 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, ...
10
votes
2answers
70 views

What is a safe amount of time a LiPo pack can be kept fully charged before it is discharged to storage capacity?

Is there any research that shows the actual decrease in capacity/performance/longevity of high discharge current LiPo batteries, like those used in quadcopters, depending on the total time they spent ...
10
votes
4answers
158 views

How can I safely parallel charge my LiPo batteries?

I have multiple LiPo batteries that I want to charge up so I can get out flying as fast as (safely) possible. With my existing LiPo charger, how can I parallel charge multiple batteries at once?
7
votes
1answer
42 views

Methodology and sources for obtaining the correct replacement batteries for low-end RC aircraft

According to Mark's answer to this Drones and Model Aircraft SE question, I likely need to buy quite a few replacement LiPo batteries. Finding large LiPo batteries for expensive aircraft is usually ...
3
votes
2answers
283 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?
7
votes
2answers
462 views

Do low temperatures damage LiPo batteries?

I'm wondering if low temperatures affect LiPo batteries in any way? Can colder temperatures damage the cells? Can I store my batteries in bat safe box outside, in cold/hot temperatures?
6
votes
2answers
123 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 ...
8
votes
3answers
773 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 ...
0
votes
2answers
76 views

Restore over-discharged LiPo batteries ~2.0V/cell [closed]

I have a LiPo battery which is ~2.0V/cell, how can I restore it safely? By "safely" I mean how can this be controlled as I know LiPo batteries can be dangerous.
10
votes
2answers
193 views

How do I safely dispose of my LiPo batteries?

I have an old LiPo battery that is nearing the end of its life, how can I dispose of it safely?
5
votes
3answers
52 views

How long does a LiPo battery last and how do I know if it needs replacing?

I have an old LiPo battery, how long is a LiPo battery usually supposed to last? How will one know if it needs to be replaced?