Dual Battery Mod

Phantom751874 · Mar 5, 2016

BeauS said:
Would it be okay to order from here for now, or would I save money if I wait for the stock at Midwest Horizon if I'm in the US?

Your cheapest option is to wait. In the meantime if you don't already have P3 batteries you want them to use then buy them for $120 a piece at B&H Photo. Then when Horizon Midwest in the US starts doing the mod you send them your batteries and pay for be labor for them to split 1 and modify the other. Getting the mod done from the UK is very very expensive and you have to wait anyway, shipping there shipping back, across the pond.

Ed209 · Mar 5, 2016

Silverwingflinx said:
I am happy to say all is well I am done the batt mod.now I need a XT60 series conectors.

Did you solder the wires to the tabs? You need special solder since the tabs are aluminum.

Phantom751874 · Mar 5, 2016

I'm not impressed.

~$222 for modified P3 battery plus battery mount plus 2x 2200 4S external batteries netted me a whopping.......

3 minutes of flight time.....

2x 1800 4S's are about the same, net 3 minutes.

Not very economical but even besides that 3 minutes is paltry considering an additional 4400 mAH were added to the stock battery capacity.

I hope the Horizon v3 Power Mod Kit becomes available in the US soon.

UnknownCaller · Mar 5, 2016

9.1 miles out and back with the Phantom 3 Horizon Power mod V3 36 min flight 6% battery left
HealthyDrones.com - Innovative flight data analysis that matters

Ed209 · Mar 5, 2016

UnknownCaller said:
9.1 miles out and back with the Phantom 3 Horizon Power mod V3 36 min flight 6% battery left
HealthyDrones.com - Innovative flight data analysis that matters

View attachment 46151 View attachment 46152

Balls of steel man...Landing with 6%

Congrats

UnknownCaller · Mar 5, 2016

Ed209 said:
Balls of steel man...Landing with 6% Congrats

Thanks man but I think I turned back to the early 6% is another mile at least that's the problem. Crosswinds are too hard to predict how fast you going to go on the way back I was flying in between 25 and 32 miles per hour I thought it would be closer than that it's got more in it. Nine and a half miles at least I'll keep trying thanks man.

Ed209 · Mar 5, 2016

UnknownCaller said:
Thanks man but I think I turned back to the early 6% is another mile at least that's the problem. Crosswinds are too hard to predict how fast you going to go on the way back I was flying in between 25 and 32 miles per hour I thought it would be closer than that it's got more in it. Nine and a half miles at least I'll keep trying thanks man.

Yeah I hear ya. I try a test run before really pushing it but sometimes the winds are different beyond the area that you did test run. Or god forbid wind shift.

Phantom751874 · Mar 5, 2016

UnknownCaller said:
9.1 miles out and back with the Phantom 3 Horizon Power mod V3 36 min flight 6% battery left
HealthyDrones.com - Innovative flight data analysis that matters

View attachment 46151 View attachment 46152

At 10% what are you guys doing about the autoland? I don't think you can cancel that can you?

UnknownCaller · Mar 5, 2016

Phantom751874 said:
At 10% what are you guys doing about the autoland? I don't think you can cancel that can you?

Hold up on the elevator stick it will keep you from landing maybe 35 or 40% will get your altitude stable.

UnknownCaller · Mar 5, 2016

Ed209 said:
Yeah I hear ya. I try a test run before really pushing it but sometimes the winds are different beyond the area that you did test run. Or god forbid wind shift.

I always do myself as well but its still hard to judge with heavy gusts like I had today. Weather reports on wind conditions are terrible it was suppose to be 2 knots today turned out being 10 to 15 mph.

dirtybum · Mar 5, 2016

Good job Unknown.
As my Pm to ya showed, your flight went a lot better than mine today. But mine was the maiden flight with the 1.19, and it was stock battery so that story don't belong in this thread.

UnknownCaller · Mar 5, 2016

Phantom751874 said:
I'm not impressed.

~$222 for modified P3 battery plus battery mount plus 2x 2200 4S external batteries netted me a whopping.......

3 minutes of flight time.....

2x 1800 4S's are about the same, net 3 minutes.

Not very economical but even besides that 3 minutes is paltry considering an additional 4400 mAH were added to the stock battery capacity.

I hope the Horizon v3 Power Mod Kit becomes available in the US soon.

It is available right now on the mid west site

http://horizonfpvantennas.us/product/phantom-3-power-mod-v3/

If you have your own packs I believe it's only $94 for the mod that's not a bad price.

UnknownCaller · Mar 5, 2016

dirtybum said:
Good job unknown

Thanks man I don't know y 1.19 would it work for you properly that firmware was my bread and butter for a long time now I'm stuck on 1.3 2 thanks to those thieves that stole my drones and controllers. I no there's no speed cap like there is on later firmware on 1.19 there isn't on 1.32 either. 1.41 and later is where you run into that. Hope it works out for you bro I'm at a lightning game right now. I'll message you later bro hopefully it'll work better for you next flight

UnknownCaller · Mar 5, 2016

I just want to let everybody know something that William from horizon told me he released the power Mod v 3 to his Midwest branch to get the cost of the mod down for everybody it's a reasonable price. I know if he starts seeing other companies copying and selling this mod he's going to pull it from the US store and keep it in house in the UK. Let's hope that doesn't happen.

Ed209 · Mar 5, 2016

With all due respect to William and his efforts to figure out the power mod V3. If the design isn't patented, then there's nothing he can do to stop anyone from duplicating. If he's going to pull it from US market based on the sole reason of people copying it, that's a little silly. Competition is good. If it's not cost effective for his business then that's another story. I appreciate him bringing it to the US and even though I am doing my own, I will probably order from him for my 2nd set.

UnknownCaller · Mar 5, 2016

Ed209 said:
With all due respect to William and his efforts to figure out the power mod V3. If the design isn't patented, then there's nothing he can do to stop anyone from duplicating. If he's going to pull it from US market based on the sole reason of people copying it, that's a little silly. Competition is good. If it's not cost effective for his business then that's another story. I appreciate him bringing it to the US and even though I am doing my own, I will probably order from him for my 2nd set.

I know Ed I was just asked to mention it that's all.

Silverwingflinx · Mar 5, 2016

Ed209 said:
Did you solder the wires to the tabs? You need special solder since the tabs are aluminum.

All soldered no problems what will you be charging the batts at.i charged at 1.5A just to get them into storage.still need heat shrink wrap and need to make a series conectors or order the hobby king tx60 series with no wires.my problem is I have all my batts modded for parallel 4s.

Silverwingflinx · Mar 5, 2016

Ed209 said:
Did you solder the wires to the tabs? You need special solder since the tabs are aluminum.

Hey ED this batt mod is run in series into DJI batt correct.

Ed209 · Mar 5, 2016

Silverwingflinx said:
All soldered no problems what will you be charging the batts at.i charged at 1.5A just to get them into storage.still need heat shrink wrap and need to make a series conectors or order the hobby king tx60 series with no wires.my problem is I have all my batts modded for parallel 4s.

Interesting. I was able to get the pos and neg tabs soldered together no problem but the copper wire doesn't bond to the aluminum tab. I tried some light sanding on the tab but no luck. Maybe tomorrow I'll try a little solvent on a qtip. Anyways, I have some aluminum solder coming in Monday if that doesn't work.

I plan to charge them as 2 separate 2S packs. I haven't done the math yet to determine the proper charge power but I think 1C on a 4480 mAh pack is about 4.4A. I'm not going to try and push it with the charging. I'll also look at the DJI charger and see what that's doing to compare.

I have shrink wrap and everything. Ready to complete the job but I just want to make sure I have a proper bond on those tabs.

I'm going to make a series Y cable to combine the 2 packs and they will plug into my battery. Leaving the other connection empty on the FPV customs battery mod.

Ed209 · Mar 5, 2016

Silverwingflinx said:
my problem is I have all my batts modded for parallel 4s.

What's the problem? You have the FPV customs battery right? With 2 xt60 connectors hanging off the back? Just connect your new 2S dji split in series and then connect that to one of the xt60s off the main dji battery.
Think of it like this: the new split batteries are still one big dji battery when combined in series. So you just plug them into your main. No issues.

Something like this... This effectively makes it 1 big battery again.