Flight Time problems. Can this build run a 4S?

A

Arksstar

Member
I recently built my first quadcopter. I used many guides online to pick my motors, escs, frame, controller, reciever, etc. But when I picked my battery I went off of what I thought would work best (clearly I was wrong lol). My drone currently only lasts about 1 minute in the air before I can't get a liftoff. I'm almost positive it's the battery, so what new battery should I buy that would best fit my drone?

Here's the parts list:
Martian 2 180mm frame
Racerstar Racing Edition 2205 2600kv motors (2-4S)
Littlebee 20a ESCs
F3 Flight Controller
Matex Mini PDB
FlySky i6 2.4GHz Tranmitter w/ reciever
2200mah 3S Battery that weights about 190g (Too heavy huh...)

If possible I would like the new battery to be 4S since i'm used to flying with a 3S now and I want a bit more power. But i'm not sure if it would be too much voltage (specifically the escs, i think they need to be 30a). What do you guys think? What size and weight should my new battery be? And how about the cell count? All responses are welcomed and appreciated :D.
 
Hey Arksstar.............your ESCs will handle 4S just fine from everything I could find about them. And from the parts you got listed you look to be in the "sweet spot" for a 4S, 1300-1500mah, 75c battery.................
 
dragger201 said:
Hey Arksstar.............your ESCs will handle 4S just fine from everything I could find about them. And from the parts you got listed you look to be in the "sweet spot" for a 4S, 1300-1500mah, 75c battery.................
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Thanks dragger, I appreciate it! Ordering a new battery tonight! :D
 
Arksstar said:
My drone currently only lasts about 1 minute in the air before I can't get a liftoff. I'm almost positive it's the battery,
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Something don't sound right. Although you think the battery is heavy, many folks will also be flying the same setup with a ~80 gram or so action cam. A 3S 1500 battery ~125 gr + cam ~80 gr = ~205 gr.
I'm almost positive it's the battery
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What's the C rating? A 40C 2200mAh battery has enough headroom to provide more amps (22A/motor) than those motors max pull @ 3S ~19A.

Note a 4S battery will be pushing those ESCs past their 20A rating.
 
Jackson said:
Something don't sound right. Although you think the battery is heavy, many folks will also be flying the same setup with a ~80 gram or so action cam. A 3S 1500 battery ~125 gr + cam ~80 gr = ~205 gr.

What's the C rating? A 40C 2200mAh battery has enough headroom to provide more amps (22A/motor) than those motors max pull @ 3S ~19A.

Note a 4S battery will be pushing those ESCs past their 20A rating.
Click to expand...
The C rating is 30.
 
Arksstar said:
So... do I need to change any other parts? Or just get a 4S 1300-1500mah 75C battery?
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I think your Little Bees will be just fine. True they are 20a and your motors will pull 22a, but the Little Bee has a burst support for 30a. The only time your motors are gonna pull 22a is when you go from idle to WOT(wide open throttle). Once they reach full rpms, it will take less amps to maintain that speed.
 
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