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Time to upgrade to a KT system for about £70 - £100.

Problem I see it is that as the kit fitter any battery issue will come back to you even if you use a proprietary battery. There are others beside Ebikebatteries who make batteries and sell them, there is a guy on ebay who offers a non & bespoke service. One would think to start with one would...

Bosch can't do it because they don't make the batteries, the manufacturing wll be out sourced somewhere (Japan maybe ?). MY brother (how & with who I don't know) sent one of his Bosch batteries back to Germany, they did contact him to say sorry we don't repair and he never saw the battery again.

Nearly most batteries can be re- celled for a fraction of the cost sometimes, more so when it comes to closed system batteries. Woosh are saying a lot of batteries are tamper proof but what this means I don't exactly know yet as have not come across it.

I doubt that ebikebatteries.co.uk have to send their battery builds to a testing lab, though no doubt their must be a credibility process (licencing) in place along the line but in which form ? I think in the past Woosh have said that the process is to onerous for them to consider making their...

Before going down the diy route, cost up all the items required in #4. Also add in some AWG wire costs. Understand the awg rating and wire size that is needed for you particular needs. Also be 100% sure how the cells will be welded and how the current/voltage flows from cell group #1 to the...

Don't be governed by the motor wattage, your battery needs to be capable of supplying demand that the controller asks for. Foe example if the controller is 25a max rated then you need a BMS that can continuously deliver 30a or more, then you need to select cells that will deliver the 25a...

The BMS needs to be capable of having a higher continuous current draw then the controller max rating and a balance function. Also think about adding a switch so get one with switch wiring.

My one arrived ok about 10 weeks ago. I expect it has been mislaid in transit or stuck at a sorting office. At the mo the seller as you say is monitoring the situation so looks like they are at lest not ignoring the issue. Keep messaging them every few days for progress. I once had an email...

If bought from a reputable source they will or should be the same batch and voltage. Voltage wise batches will differ from manufacturer to another, my last cells HG2 were all 3.56v.

Torque sensing drive is a also a PAS drive system. The PAS which Benjamin talks of is a crank sensor with a magnet disc aka a cadence type sensor, some after market mid drives have an internal cadence drive such as the BBS.

Bring it on, snow riding is great fun.

Enjoy.

A Bosch dealer can do a diagnostic test but isn't able or allowed to open the battery for any repair, also Bosch do not repair them. Sadly out of warranty one can only fork out good money for either a new one or contact Jimmy to have it re - celled for about 50/60% of the Bosch cost. Like Steve...

Has one physically measured the battery voltage with a meter after charging ?

One can adjust the P1 and P2 settings to see if one can find the correct parameter value for the speed. Keep a note of the current settings value. Firstly try P2, adjust the figure 1 - 6 to see if the reading pans out. P2 deals with how many magnets are used for the speed sensing. Once one has...

Check the charger for a fuse, inc the wall plug.

Nice one Wheezy, by opening up the booster pack you have proved what we have been saying for a long time. The quoted mah capacity given is just a figment of the sellers imagination and any random figure can be printed on the packaging. One only has to look at the top lipo cells available to know...

The controller for the integrated DAS kit one was a Lishui, mine went tits up so I simply replaced everything with KT system and used a stand alone KT.

As above it's all about spacing, washers are handy.