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Gear sensor not really needed for 15a just ease off the pedal for a sec whilst changing up, going down should be ok. I manage ok. Might be different if you use a higher spec motor.

That's not a controller, it's an LCD display. It has functions which may let you alter some parameters in conjunction with the controller. For any restriction wiring you need to find controller in a metal box and has the main PCB in it, this can be found if you follow the battery, motor or PAS...

It pays to look sometimes, I had a 24/36v KT and it only had 50v caps.

What controller are you using ? 10 - 12a using PAS1, 18a PAS 2 seems a bit far fetched to me.

15a controller don't think can change to 18a any more. 35E is not suitable for 25a demand, cycle life will be poor.

All cells should fully charge if from Nkon, most likely fault is with your case/charger.

Fantastic spring day for a 70 miler. Little jaunt down to Pycombe then on the downs to the Amex arena via Clayton & Ditchling Beacon and then off to Shoreham. Whilst at Shoreham 'The Saints' Jaguar has gone and now a bare empty spot remains, it will be interesting to see what if anything...

As you have it a part disconnect the white multi connector with the 11 thin wires and with a volt meter measure the voltage between the Black and Red, also you can measure the 10 cell group voltages and write each voltage down for us to see if a group has an issue which won't allow the BMS to...

Any warranty is with the dealer you bought your bike from and is your port of call for any service/repairs, it is they who deal with the manufacturer. Keep your receipt/proof of purchase safe.

Sounds like they have lost capacity and will not deliver good range at high discharge. If you try high discharge watch the voltage sag to see by how much. Before I knew much about cells, rating and discharge etc,etc, I had a pair of 29E's and they were used a few times derestricted which did...

Fit a kit to it. I have a CX which I built up and converted a few years ago and is my main touring ride out bike, another 70 miles done on it today. What a brilliant spring day it was too.

Some batteries also have a fuse on the internal charge side will need opening to check. Also with out teaching any one to suck eggs, if the BMS has an on/off switch it needs to be on when charging as most don't simply allow battery to switch on but activates the BMS.

Show us a pic of your current battery as then we can try and give you some suggestions or supply a link for us to view the kit. I'm purely guessing here but assume HH36 -9M is a Hailong 36v 9ah battery ? If so then Hailong's are a commonly used case and you can use any 36v ah/capacity rated...

Lass the person who told you Bosch,Steps,Shimano are the best are talking b*ll*cks, as they also didn't tell you they are torque multiplier motors that rely on the sheer effort you put in. If suffering from fatigue, lack of stamina/leg power then you will be pushing the bike more then riding...

You can try what ever controller you like but likelihood is that your lcd display functions won't be fully compatible due to firmware/protocol commands. If replacing a controller with a different make buy it long with the same make of lcd.

The springs are greased most seals even cheap ones may have a foam soaker behind the seal, I just wipe over with a lubed rag.

The 24/36v controller will blow at 48v, the caps aren't 63v rated. That's why they do a 36/48v version.

Don't be tempted by the 9900mah Trustfires or any thing with fire in the name or any 18650 cell that claims more then 3500mah as they are excellent genuine fake cells that deliver <1000mah. Some have been opened and only contain sawdust and other loose filling :eek::eek:.

Did you check polarity of battery or charger at all ? It's not uncommon to hear of incorrect wiring on items or even a loose wire shorting. The above shouldn't be necessary and most take it for granted with kits but always worth double checking before trying to connect. P.s By the way a nice...

He did but not sure my initial answer was helpful. Hopefully Op has a SOH and will ask some more Q's as he will find we are usually very helpful though do like a little bit of cheek as well.