All Questions
Tagged with lipo-batteries batteries
24
questions
2
votes
1
answer
53
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?
1
vote
1
answer
49
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)....
0
votes
1
answer
81
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....
2
votes
1
answer
137
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). ...
3
votes
1
answer
161
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 ...
3
votes
2
answers
1k
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 ...
4
votes
1
answer
98
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
1
answer
309
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 ...
6
votes
1
answer
80
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
2
answers
2k
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 ...
4
votes
1
answer
426
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 ...
3
votes
2
answers
227
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
2
answers
461
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
1
answer
1k
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 ...
6
votes
1
answer
478
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 ...