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More oomph?

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Aiwarikiar
Posts: 7
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(@aiwarikiar)
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Joined: 2 years ago

I recently got an unrestricted super soco TC. Its a fun bike to ride and it looks the part. Quick enough out of green lights too. But there is a big problem uphill. I can barely keep 40 kmh in moderate inclines. I wouldnt mind spending a bit more power when needed because my commute still leaves plenty of battery to get back and forth a few times. Have anyone tinkered with the speed controller? Could it handle more power? From what i understand the motor is capable but the ESC might not be. Any thougts?

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Artem_TC
Posts: 36
(@artem_tc)
Eminent Member
Joined: 3 years ago

no way with stock controller

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tomp
Posts: 116
 tomp
(@tomp)
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Joined: 3 years ago

If someone can find a way to communicate with the controller via a computer then maybe, no luck as of yet. 

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s550v
Posts: 122
(@s550v)
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Joined: 3 years ago

Would having a battery paralleler and two batteries working together help with the moderate hills? 

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escubic
Posts: 74
(@escubic)
Trusted Member
Joined: 3 years ago

simple answer: no. the battery paralleler of Super Soco is an automated battery switcher, not a paralleler. So it does not give you 2x40 Ampere. The new NIU N-GT has a true paralleler as it seems.

But yes, it somewhat helps to keep the battery charged for a longer time during a trip, so you suffer from lower power due to voltage drop later and you can go uphill without overheating the flimsy battery connectors.

+ more comfortable
+ no connector overheating
+ the motorcycle stays longer at >30% state-of-charge
+ both batteries show their SOC in the speedometer
+ simultaneous charging
+ no more turbo lag (regeneration bug)
+ works with fast charger (but gets very warm >12 A)

- somewhat lower range
- high price
- the relay design is prone of stuck relays and stuck SOC display
- regeneration no longer possible
- no increased power, no increased currents

 

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tomp
 tomp
(@tomp)
Joined: 3 years ago

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Posts: 116

That’s the main reason my second battery is connected in parallel. The bike is now only pulling 20amps from each battery so much less voltage sag. Seems to be able to stay at 40mph + until about 30% charge now. 

Still the controller only pulls 40amps max so hill climbing is still not great 🙁 

Only way to increase power atm is to replace the controller which isn’t just a simple plug & play. 

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Aiwarikiar
(@aiwarikiar)
Joined: 2 years ago

Active Member
Posts: 7

Thanks for the input. Guess i'll wait a bit then. Fairly sure someone will make a replacement module in the future that wil require slight modifications to the internalisert plugs and wiring. 

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CanUK
(@canuk)
Joined: 2 years ago

New Member
Posts: 1

This might be a dumb question, but is there a way to rig up two batteries in series? Would this give additional amperage? And am I right in thinking that if each battery has a C value of 31.5A then having two in series would give the motor controller access to the full 40A that it’s currently limited to?

If, like me, you just run one battery at the moment, would this offer a little extra performance?

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s550v
(@s550v)
Joined: 3 years ago

Estimable Member
Posts: 122

But, if running 2 batteries in parallel (without the battery parallel module). Connecting an extra battery lead with the +/- on the controllor like @tomp did.  Give you access to two batteries simultaneously.  Shouldn't this give you ample pushing power up small gradients? (like 10-12 degree inclines) or more "pushing" power if you need to get out of a lane, pass a vehicle, or etc etc? . 

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tomp
 tomp
(@tomp)
Joined: 3 years ago

Estimable Member
Posts: 116
Posted by: s550v

But, if running 2 batteries in parallel (without the battery parallel module). Connecting an extra battery lead with the +/- on the controllor like @tomp did.  Give you access to two batteries simultaneously.  Shouldn't this give you ample pushing power up small gradients? (like 10-12 degree inclines) or more "pushing" power if you need to get out of a lane, pass a vehicle, or etc etc? . 

Yes a little. My setup helps with voltage sag. 

Lets say you only use one battery. Fully charged is 70v but when you accelerate, that drops to 64v (64x40a = 2500w)

however 2 batteries in parallel while accelerating will only drop to 68v (68x40a = 2720w) Parallel batteries keep a slightly higher voltage for longer. 

 

What I need now is for the controller to pull 60a 

(65vx60a = 3900w!) ?

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