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Search: Posts Made By: TonyVov
Showing results 1 to 17 of 17
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05-11-21, 03:52 PM
Replies: 21
Views: 1,190
Posted By TonyVov

Many DIY battery pack are doing from top bar

Many DIY battery packs are slung from top and down tubes using canvas bags and Velcro straps.
Test whatever pack you want to hang that it does not interfere with the rider.
This battery location is...
08-03-20, 02:01 AM
Replies: 11
Views: 1,240
Posted By TonyVov

Hai Functionality there should be no problem,...

Hai
Functionality there should be no problem, the higher AmpHour battery should also deliver higher current normally to the controller. Keep the wires similar to those in bike now. Maybe 12 awg or...
07-28-20, 03:22 AM
Replies: 51
Views: 4,860
Posted By TonyVov

Fully agree, Use a good quality lightweight...

Fully agree,

Use a good quality lightweight starting point, don't get greedy and put in a lot of power. The human can do 200w +/- so adding more than 500 should not be needed.
Solving heavy...
04-12-20, 11:05 PM
Replies: 5
Views: 945
Posted By TonyVov

No but it is very cheap to buy a buck boost...

No but it is very cheap to buy a buck boost amplifier that will use your inputs and boost them to charging values , just 4$-5$, even better get somethinglike this, MPT-7210A Aluminium Alloy LCD...
11-10-19, 08:24 PM
Replies: 4
Views: 1,035
Posted By TonyVov

PreacherG Battery energy capacity which is...

PreacherG

Battery energy capacity which is the aH rating x Voltage is not referencing the power but the energy.
The 18650 cell format size comes in many different internal design variations that...
10-30-19, 07:21 PM
Replies: 17
Views: 1,479
Posted By TonyVov

Sounds to me it is about time the manufacturers...

Sounds to me it is about time the manufacturers started providing a bit more information about how their system works . I did not think about the safety issue of the PAS activating halfway round the...
10-27-19, 07:30 PM
Replies: 17
Views: 1,479
Posted By TonyVov

Mid Drives normally use speed plus cadence (pedal...

Mid Drives normally use speed plus cadence (pedal rpm) to determine what gear you are in so that power at the wheel can be stable.

My rear hub drive Bafang kit seems to change the controller...
10-16-19, 11:09 PM
Replies: 6
Views: 1,356
Posted By TonyVov

Join my club :) - here's a tip

:hug:

I am just going through similar issue though not 3 years.
As per previous suggestion if you can find, beg,borrow or steal a charger you can give it a go. I would do that before investing...
10-13-19, 07:49 AM
Replies: 8
Views: 4,062
Posted By TonyVov

I now have one shorted group

Thanks for the advice.
My BMS balance connector is very tiny I don't have the probes to go pint pin safely.

I dismounted the cells to add a wire to reach group separately, my Bafang 12sx4p pack...
10-08-19, 12:42 PM
Replies: 8
Views: 4,062
Posted By TonyVov

I have attached some multimeter DVM results

Chas58 thanks for the helpful advice, I attached a zipped xl file to original post with some charge discharge data.

My current plan-
-Stick some wires on each group. Needs disassembly and...
10-08-19, 01:51 AM
Replies: 8
Views: 4,062
Posted By TonyVov

Let me wire it up

Doc_Lui thanks for the feedback.
I didn't think about blue tooth.

I will have to open the pack and get at the back of each cell with a wire, it is too dangerous to try to measure at the balance...
10-06-19, 07:42 PM
Replies: 8
Views: 4,062
Posted By TonyVov

Lightbulb Bafang 43v 450wH low capacity

I am having problem with my battery.
Bafang HT1204DA 43V 450wH
The cells are Samsung ICR18650-26H 2600mAh (Pink)
Nominal Voltage: 3.63V per cell.

The pack should be 10ah and is delivering about...
08-20-19, 12:11 AM
Replies: 0
Views: 1,016
Posted By TonyVov

Poor man's load cell

Had my battery in pieces on the bench and no safe way to consume the 43V and test if the BMS repair was working.

So I hooked up some household electrical wire to some metal bits and dangled it in...
08-19-19, 09:46 PM
Replies: 1
Views: 1,584
Posted By TonyVov

Fixed?? Bafang Battery Troubleshooting

I think I got it kick started, the system seems overly complicated and the documentation and feedback support from mfr is very poor basically nonexistent.
If Bafang want to service the diy market...
08-19-19, 09:38 PM
Replies: 14
Views: 4,903
Posted By TonyVov

Fixed?! I am fighting similar case but on my own bike

Mikey thanks for reply

I think I got it kick started, the system seems overly complicated and the documentation and feedback support from mfr is very poor basically nonexistent.
If Bafang want to...
08-18-19, 01:19 PM
Replies: 14
Views: 4,903
Posted By TonyVov

I am fighting similar case but on my own bike

Would be interested to know what you found, my battery was left a long time unused, about 4 months, but connected to bike.
When I plugged in the charger it went to fully charged (solid green light...
08-18-19, 09:14 AM
Replies: 1
Views: 1,584
Posted By TonyVov

Bafang 5P Smart Charger and BMS

I am struggling with a battery that died after several months of no use.

Need some advice to select a new bms board.

I suspect it is over discharged. The observed symptom is that battery...
Showing results 1 to 17 of 17


 
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