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Devo 10 Battery suggestions.

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26 Jul 2015 22:48 #36093 by niteliter
Devo 10 Battery suggestions. was created by niteliter
I am currently useing EBL 2800 batteries,which seem to last maybe 1 weekend which will actually be about 2 hours of use,odd I think,I dont really feel comfy plugging a chord into the back of the TX,because im not sure there is any kind of a "charge" protection circuit in there,so I have to questions in regards to batteries in the 10,what mAh?,and what should the "power amplifier" be set too.I heard too high a setting will drain a battery faster.

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27 Jul 2015 00:11 #36103 by hexfet
Replied by hexfet on topic Devo 10 Battery suggestions.
I use this one and like it.

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27 Jul 2015 15:38 #36160 by mwm
Replied by mwm on topic Devo 10 Battery suggestions.
The Tx has overcharge protection if you're using the appropriate battery types. I've done that for My 10 and 6S, and the 7E before them.

I use the HK LSD AA batteries.
Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.

My remotely piloted vehicle ("drone") is a yacht.

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27 Jul 2015 23:12 #36192 by niteliter
Replied by niteliter on topic Devo 10 Battery suggestions.
Overcharge protection? Kool, I wasnt aware of that...........
LSD??? I wont go there..............
Ill check out those batteries tooo.......
bought this,I use alot a rechargeables.........
www.amazon.com/gp/product/B00LUZHL4C?psc...i_detailpage_o00_s00

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28 Jul 2015 00:15 #36197 by mwm
Replied by mwm on topic Devo 10 Battery suggestions.
LSD is "Low Self Discharge": hobbyking.com/hobbyking/store/__55554__T...50mAh_NiMH_4pc_.html
Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.

My remotely piloted vehicle ("drone") is a yacht.

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28 Jul 2015 05:07 #36223 by Cereal_Killer
Replied by Cereal_Killer on topic Devo 10 Battery suggestions.
I've been charging my Eneloops right in my TX, didnt do it for the longest time (I'm pretty anal about batteries in general) but after finally switching over for ~6 months and then taking the set of eneloops out and testing them not to long ago in my NiMH analyzer I'm more than happy with the built in charger.
Taranis X9E | DEVO 10 | Devo U7E | Taranis Q7

What I do in real life: rivergoequestrian.com/

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28 Jul 2015 10:01 - 28 Jul 2015 10:03 #36234 by ThomasC
Replied by ThomasC on topic Devo 10 Battery suggestions.
www.hobbyking.com/hobbyking/store/__1795...ansmitter_pack_.html is also a good choice - has two power cords (one has to be converted to JST, the other can be used to charge without having to remove battery from your transmitter). Is a bit smaller than Devo10 battery case, I have fixed it with folded tissue, and the charging cables can conveniently be stored in the remaining "gap"

Runtime still has to be evaluated, but I guess it's at least 6 hours (it's in there since last week)

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Last edit: 28 Jul 2015 10:03 by ThomasC.

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28 Jul 2015 21:00 - 29 Jul 2015 04:22 #36270 by RedSleds
Replied by RedSleds on topic Devo 10 Battery suggestions.
I'm using this 3S 2200mAh LiPo from Bang_good that I got for $8.50 ($9.99 now). Seems to work OK, but don't have a clue as to how long it will last before needing a charge yet.

www.banggood.com/Wholesale-BQY-Power-11_...er-C305-p-65643.html

If I ever get another, I will probably go with a LiFe next time though.
DEVO 10 - Multi-module with nRF24L01 +PA +LNA, A7105 +PA, & CC2500 +PA +LNA transceivers.
Nightly Build: v4.0.1-548bbf5 (6/9/2015)
Last edit: 29 Jul 2015 04:22 by RedSleds.

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28 Jul 2015 23:23 - 28 Jul 2015 23:39 #36277 by aMax
Replied by aMax on topic Devo 10 Battery suggestions.

ThomasC wrote: ....- has two power cords (one has to be converted to JST, the other can be used to charge without having to remove battery from your transmitter). Is a bit smaller than Devo10 battery case, I have fixed it with folded tissue, and the charging cables can conveniently be stored in the remaining "gap"
]

Really? Charging through the balancer plug? I have the same pack, but my charger will resist to do that without connecting the JST.

Edit: Sorry, did not see the third connector which made the connection to the tx. Then the black Futaba is free for charging.
Devo7e, TaranisQ X7, R9M , 4in1 MM, Futaba FC18plusV3.2 & DFT/FLD-02
Last edit: 28 Jul 2015 23:39 by aMax.

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28 Jul 2015 23:49 #36278 by niteliter
Replied by niteliter on topic Devo 10 Battery suggestions.

RedSleds wrote:
www.banggood.com/Wholesale-BQY-Power-11_...er-C305-p-65643.html

.

Added to my "Wishlist"

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28 Jul 2015 23:49 #36279 by ThomasC
Replied by ThomasC on topic Devo 10 Battery suggestions.
@aMax: yes, the Futaba socket is free for charger connection. I have tested the pack and recommend to adjust charger end voltage to 3,5V per cell. The pack absorbs 1450mAh with that setting. I have bottom balanced the pack (with a resistor and a voltage meter) and won't balance the pack while charging to ensure the cells are at level when they approach empty state to prevent deep discharging of a single cell.
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29 Jul 2015 09:21 #36292 by aMax
Replied by aMax on topic Devo 10 Battery suggestions.
Bottom balanced to what level? My charger gives me a 2V option per cell, but i have not done this untill now.
I am using this pack for my fpv rx and the Quanum V1.
Devo7e, TaranisQ X7, R9M , 4in1 MM, Futaba FC18plusV3.2 & DFT/FLD-02

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29 Jul 2015 09:47 - 29 Jul 2015 09:47 #36294 by ThomasC
Replied by ThomasC on topic Devo 10 Battery suggestions.
Bottom balancing was a hint I got when I searched the internet and found tips for elecric cars. I did a discharge of my pack (current 1.5A) and found out that cell voltage drops rapidly below 3.0V. After that I decided to use 2.80 volts as balancing target. 2.0V is a bit low, as the pack is nearly empty at 3.0V/cell. I have set my battery warning to 9.2V so there's enough power left to safely land my models.

Attached the discharge log before bottom balancing:

and charge log after bottom balancing:
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Attachments:
Last edit: 29 Jul 2015 09:47 by ThomasC.

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29 Jul 2015 09:57 #36295 by aMax
Replied by aMax on topic Devo 10 Battery suggestions.
Thanks!
Have to hook up the FTDI to my charger and do it for my pack.
Devo7e, TaranisQ X7, R9M , 4in1 MM, Futaba FC18plusV3.2 & DFT/FLD-02

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