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Yes hmmm!!!! :rolleyes: Forgot about the fuse very good point.

Needs opening to check for a loose wire/bad connection. And a voltage reading from each of the 10 parallel groups, If one P group is badly out of balance or duff it won't charge if the voltage is too low.

In addition to #75 a buyer in the US was quoted $136 for four kits delivered from the US Warehouse. The US stockist is that Micah fella who does the ebikeschool video tutorials.

Using the stainless buss bars soldering will be a problem, you could just use copper or nickel busses for the series connection only where you place the sense wires. The bolts on the caps are only about 3mm or less so small ring connectors are needed.

If offering delivery the item isn't forwarded until payment is made, though their will be some dishonest folks on there. Never release an item without cleared payments.

Q128C 36V 201RPM maxs out at 19.8mph on my KT lcd2, bit is probably about 19 as these lcds have a speed over read of about 5%.

The cut is $8 extra in the US warehouse, though no delivery from India to pay. Internal postage would still apply, I would assume total price would be similar to that of ordering from India for one kit.

First battery is all but finished now, only have shrink sleeve to finish which can now be done as all the P groups have charged and read the same. Sense wires 2, 4 & 6 soldered in place. The copper is 99.9% oxygen free and I have coated both sides of the buss bars with non conductive ACF Block...

The BC168 is limited as its only does up to 6s, ideal for lipo without bms. For 18650's or other cylinder cells you need a specific voltage output charger unless you run smaller 5s or 6s packs in parallel which you later charge separately. For adjustable voltage you probably have to look at...

The one string of 4 parallel cells are already only reading 3.9v when fully charged so they have had it by the sounds of it and are sagging quickly to the lvc when a load is applied. You can try charging that one string of 4 cells manually via the jst connector to see if they will except more...

Like AK asthma affects my non powered cycling so only now own e bikes. 90 miles is a good ride out for me with spare batteries, though 40 - 60 is my normal type of distance. Even offroad I sometimes have to walk up steeper inclines, luckily walk assist makes pushing easier.

If by the above you mean you opened the Dolphin battery, then you will not find any help in there !!! The controller is in metal box unless of course it is integrated at the base of the batter, follow the motor wire it will go to the controller.

Vruzend say a European warehouse for despatch will be available soon.

I pretty sure she's related to the Cranky's she a dead ringer.

I have got the 5P 7S pack built up and conformity is spot on each cell Parallel group = 3.6v and 25.2 v in total. No end pic of pack in P & S as to dark tonight so will do one tomorrow. Continuous 5P bus bars 8mm x 0.6mm. Series bus bars. Cells topped and tailed for correct current flow...

Keep the thread going and just add to it as you go along, that way it all stays in one place rather then peeps going to another thread later.