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Strangely enough I did actually use some stanley knife blades to practice on before I went onto welding cells for real.

I really appreciate your knowledge and advice as I'm relatively inexperienced when it comes to cells, batteries, welders etc. I will check out the links...

I really fancy those Samsung 50E 21700's

Yes I take your point about the positive and negative connections being close together, but the beauty of doing drawings first and then posting them on forums like this is that I can get feedback. I'm pretty certain I can re-design the layout so that the terminals aren't so close together or...

Maybe I'm asking too much but, it would be nice if the manufacturers of cell holders be it for 18650, 21700 or 26650 cells etc, would at least provide a diagram of how one would typically configure some cells into their products. Because of the shape of many bicycle frames it's not always easy...

Thank you for the advice, I will be spending over £70 for sure so I'll be checking out Fogstars' website later to start with.

I see that Fogstar seem to be coming up time and again as a reputable supplier. I don't want to be spending any money except on genuine cells from reputable suppliers. Fogstar appear to be the way to go, among others...

Sounds promising. Is there somewhere reputable where I could obtain these P28a cells? I've just seen these cells online and the price varies wildly from different suppliers.

I see what you're saying, good point. There are so many factors for me to consider...

The reason I'm making such a big battery is because I sometimes have to make short trips as part of my work to trade counters etc, which are all within five miles of my place of work, and I wanted the option to do that and still be able to get home at the end of the day. I plan to use pedal...

I did take a look at the pedelecs law section. It's a minefield out there when it comes to uk laws and regulations concerning e-bikes. It appears that I basically have an electrically powered motorbike, which means I need mirrors, indicators, headlight, crash helmet (I already have the crash...

This is some very useful information as I have not yet made my maiden ride yet. Thank you.

I already have the motor and I really don't fancy buying another one. I did get a programming cable in order to limit the power output to comply with the local regulations. As you'll be aware the stock motor is at least 1000 watts. I believe for legal street use the power should not exceed 250...

It's not looking good is it ?, in terms of using these cells in my battery pack. However, the good news is that I have at least three old power tools that have dead ni-cad cells in. I could always modify the batteries and power the tools with the lithium ion cells I already have and give my old...

I will be checking out Fogstar.

I will be using a Bafang BBSHD mid-drive motor with a GT Avalanche 3.0 donor mountain bike. I was tempted to go for the ASI BAC855 controller but decided to keep the stock controller and use a motor programming kit instead. I intend to use the bike for commuting to and from work, it's only a...

It does look as if the Sony VTC5 is the way to go, given the power and discharge rate figures. I have seen some ludicrously low prices for these cells on the more 'popular' websites. I can only assume that these cells are not genuine. I will be sticking to the UK based, tried and trusted...

That's why I'm on this forum, to glean advice from those who have more experience than myself. It's not such a disaster for me because I have plenty of gadgets that can use these cells. I was aware that it's not wise to mix cells in the same battery pack for various reasons, that I won't go...

Hi, These are some battery cells that I currently plan to use in my battery packs. I have two sets:- VANON 18650 FP20R 200822 3.6V / THG190063090 THISS 18650HR20R 2020. 11. 30 3.6V As I understand it, these cells should be suitable for my battery packs because they were intended to...

Thank you, I know that 18650's can be extremely volatile if not treated correctly. These are the battery cells that I currently plan to use in my battery packs. I have two sets:- VANON 18650 FP20R 200822 3.6V / THG190063090 THISS 18650HR20R 2020. 11. 30 3.6V As I understand it, these...