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.
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LiPo battery cell yellow discoloration at seam
I am using a LiPo battery to power a model helicopter.
After my first flight with it i noticed a yellow discoloration around the seam of one of the cells. The battery isn't puffed up.
The voltages for ...
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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?
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How 70C 2Ah batteries can have XT60 connector if it rated only for 60A current and not 140A?
Can it fit higher currents than nominal? Is it safe?
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LiPo battery voltage keeps dropping when connected to PDB
I have an F450 quadcopter frame with the integrated Power Distribution Board. In order to use this feature, I soldered the battery (XT60) and the four ESC (Dean-T) connectors. I tested the continuity ...
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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)....
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A2212 1000kv Brushless motor keep beeping and twitching
I have bought an A2212 1000Kv brushless motor and a 30A ESC. I power this setup with a 7.4v 2s 30c 800mah LiPo battery. For the signal, I am using a DIY Arduino receiver and transmitter. When I test ...
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How do I find the current my motor and speed controller will draw?
I am currently building an rc aircraft. I need to achieve approximately 20 minutes of flight time. I'm using a 1600w 320kv motor and a 80A speed controller. For 20 minutes of flight time at 80 draw I ...
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What battery can I use for 1000kv brushless motor, that will be the cheapest?
I am using a 10 x 4.5 propeller for my A2212/13T 1000KV brushless motor with a 30A ESC. What battery will I need that will be cheap to power my motor alongside three 9-gram servos?
Flight time is not ...
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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....
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Can I put lipo and li-ion batteries in series
I have two 3.7 volt 900 mAh LiPo battery, which I connected in series to provide 7.4 volts. But now I want 11.1 volts.
Instead of buying another LiPo battery, am I able to put these two LiPo batteries ...
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Can poor soldering of ESC wires lead to low voltage draw from a Lipo battery?
Question:
Would improper soldering of the power wires of my electronic speed controller limit the amount of voltage that my ESC draws from the Lipo battery?
My situation:
I have to solder an XT60 male ...
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Amperage of FC, ESC
There is something I totally don't understand about an amperage.
According to spec. AIO FC has 5 A and 6 A ( 5 seconds). However, sometimes I see in OCD far beyond 5A and 6A. And FC, ESC are OK.
...
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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). ...
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How to maximize range with 2212 1400Kv motor and 30A ESC?
Premise, I'm not interested in speed or any type of sporty flight attitude, but only on range maximization I have
30A ESC,
2212 1400Kv motors 180W max with maximum efficiency current in the range ...
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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 ...
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What battery/motor setup will replace this 1980s vintage glow engine?
I have a sport model (RCM Terrier, balsa/plywood construction covered with Monokote or Econokote stick/shrink film) that I built in 1984, and it has somehow come through multiple moves apparently ...
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Lipo battery with an ESC and a BLDC motor
I'm not sure if I can connect four brushless dc motors to my Lipo battery. I don't know how to calculate it. The brushless motor I have is the Turnigy L2210C-1200 brushless motor (150w) and the Lipo ...
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Is it safe/good to store a Mavic Mini 2 LiPo battery at ~18% for an unplanned next flight?
They say it is best to store at ~60% but I personally don't want to spend CC for charging it first and then discharging my battery.
Note: someone said, I can just charge the battery and unplug the ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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-...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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,...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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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 ...
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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, ...
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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?
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
