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I think it was around last Christmas time and bored with it all I ordered up a supposed 68,000mAh 36v battery for ...... wait for it ..... £28 inc p&p Now, I had no idea what I'd get for the money but I knew that I would NOT get anything other than complete rubbish, but (a) I was curious and...

Edit - Problem resolved - item arrived today unexptedly - just a glitch in their admin I guess April 2023 - my mate ordered at TSDZ2B from PSWPower over a week ago but no delivery notice as yet. They did email them and the response sort of indicated that they'd get onto (as in maybe...

As a matter of routine maintence, i.e. every 1000 miles or so, I check out the Blue Gear for wear (none so far after 3,500 miles ish). So far I've just used Weldtite TF2 Lithium Grease* when needed, which I use on other parts of my bikes. Having recently found a Tong Sheng TSDZ2 Maintenace...

This is not a question about the whys and wherefores of cell balancing as I'm well versed in the necessity of this. What I am looking for is in two parts: 1. I've got a bunch of new cells ready for my first 10s 2p build and will be measuring the voltage of each cell and 'pairing up' the cells...

I am looking to build a 10s2p 36v battery pack for my 250w TSDZ2. The TSDZ2 controller is set to a max current draw of 15A I nearly always ride in ECO mode with an average current draw of around 4A with the ocassional peak of 8A-10A in the next higher assist level. With generous help from...

I'm getting close to my first battery build and thanks for the information on here about the various options and suppliers Fogstar get the thumbs up from a good few folks but I'm wondering about the Dutch company Nkon as a source They have two web outlets - one where you pay VAT if you're in the...

Well, I got a spot welder for Xmas and so I've been looking at 18650 prices and came across a UK site, (cellsuply.co.uk - link HERE) whose address is the same as nubattery.co.uk - link HERE Cellsupply sell reclaimed batteries which they say are new but with the caveats in the quote below. The...

I've played around with a couple of watt/power meters (pics below) One of them I've 'built in' to a battery discharge tester and the other I temporarily mounted on the bike's handlebars so I could better understand battery behaviour vs pedal assist and so on What I found most useful was knowing...

My understanding of BLDC theory is poor, so some clarification on a couple of motor parameters will be gratefully received. 1. My TSDZ2 for instance, has on its rating label '4000 RPM' - what is this telling me? Is it that the motor gives its max torque at this RPM or something else? - and if...

TSDZ2– No overheating for me Here’s my observation about motor overheating (or not). I hope those who may have been put off looking into using the TSDZ2 because of this issue, find the following useful, and of course your own observations and comments are welcome (but no repeating...

Apologies to those who may have read this survey on the Cycling UK forum but as there's no response so far (03May22), I'm posting here as I'm sure there will be greater interest. Intro • A bit of a long-ish read, but bear with me if you will – this is all about dispelling urban myth in favour...

There are a surprising number of 'lost power' issues reported on the forum where the BMS turns out to be the culprit. I have experienced the same with my TSDZ2 and 10Ah bottle battery and whilst I await a replacement BMS, I am running the battery with the discharge function bypassed. I've OSF on...

I have a 250w 36v TSDZ2 with a VLCD6 display and a 10Ah bottle battery and the battery has dveloped a peculiar 'feature' in that: - the bottle battery has an in-built on/off switch: - if I mount the battery into the bottle cage and then switch the ON/OFF switch on, the motor will not power...

I have a 36v 10Ahr bottle battery with the charging socket easily accessible when attached to the bike and I'm wondering if I/what load I could plug into it? 36v is measurable at the socket so obviously a current path exists from the battery back through the BMS to the charging socket. I've no...

I use a very simple handlebar display with my TSDZ2 (the VLCD6) which doesn't show actual battery voltage but the typical 4-bars 'fuel guage' system for showing S-o-C. It isn't even mildly accurate (and I didn't expect it to be) but the OSF Java configurator offers the ability to set the various...

The TSDZ2 replaces the bottom bracket cartridge bearings on the unconverted frame of course, but at what point do you thing the spindle bearings in the TSDZ2 need checking/changing? And of course, where do you get replacements from? As far as I can see from the manual that I have, the drive side...

I'm just settling in to my recently purchased TSDZ2 (36v 250w) and the 36v 10Ahr bottle battery On a not too hilly ride and with me putting in 'not a lot' of effort, I'm getting around a 50 mile range from the battery I'm now considering greater distances and maybe more challenging terrain, so...

A friend of mine was given a Carrera Vulcan as the previous owner had got fed up trying to fix it. In their frustration the owner had cut out and removed most of the cables and sensors so my friend inherited the battery and Suntour HESC motor (plus bike of course) but little else. Onwards and...

OK, so I'm learning ebike techical stuff as much as my aged brain allows so apologies if this question is rather tedious? I recently upgraded the display and controller on a Pendleton eSomerby to the KT-LCD5 + KT compatible controller but kept the Pendleton 12-magnet PAS and for this I set...

Having successfully installed my new controller and KT-LCD5 display, I'm exploring the 'Light Output' connection on the controller. It's a 2-pin red Julet connector and when the 'lights on' function is activated from the LCD5 display, the 2 pins have the main battery voltage present. Now...