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...but the mains is still connected, just connection to the battery broken? If yes, then it "suggests" that the charger uses "Switched Mode" type of electronics design, available cheaply in chips and is to my mind the best method nowadays! It is generally around 90% efficiency as a "ballpark"...

Over a great many years, I have had the completely opposite experience with fan cooled power supplies, mainly with regard to computers, chargers and other equipment. The fan cooled ones definitely last far longer, as even the fan is not really stressed at all. Furthermore, a DIY hobbyist could...

I tend to think like you, hot electronics = shorter life! And some do get very warm, so only use them in a well ventilated position, perhaps on a "rack" that allows cooler air to be sucked up from directly underneath. Never cover a charger with anything. The charger on my previous bike got quite...

It does need to be carefully warmed up with a torch flame first, to reduce the possibility of breaking, but not made anywhere near red hot. Basically just far too hot to touch with your fingers! You know when its right when when it "moves" when pulling & pushing on it with a wrench, or tapping...

I sometimes wonder if we should somehow summarise all our batteries, chargers and bikes, adding any personal experience as well. So that when problems arise, maybe the data may suggest a good fix! We would really need most members to add their data freely, to make it worthwhile. What say the...

You have docuented the problem well I feel, and really got me interested in "why"? I have never seen one break like this! I have even bent one back into proper shape many years ago, with no further problems. The bike fell over I believe, but its maybe 30 years ago! Does anyone on Pedelec know of...

If the OP decides to do it himself, he should make a few good clear photos before taking the old rim off..... Andy

That is the best idea I have seen here, and I was just going to suggest it, but you got there first! That way he saves a few $$$ and learns something very important! I have trued up a few wheels over the years, but never rebuilt one, I am TOTALLY JEALOUS!:p:p:p;););) regards Andy

Assuming the bike is new (it was totally unclear), that sounds like a clever con, or am I being totally unfair! Bike shops usually include a checkup before selling, being in the price paid, why would it need a service that needs to be paid for? Buy a car new and have to pay for a service before...

You must buy a new camera, or a new photographer, as all the pictures, are all out of focus, this one and the others....;):(:confused::eek: For any soldered connection, heat shrink insulation can often help. But never pull it over a hot joint, or it will shrink before you want it to!! This...

Make sure that when you repair the plug/socket, that the correct polarity is observed and made, or you might possibly have a bad fire to contend with.... If what I have said does not "ring a bell" with you, hopefully someone else here who knows your bike/battery combination can give you exact...

I am very happy to have read your post! With simple common sense it also explains a lot! I felt before as though I was the only one who was shocked at the short battery life some people apparently get, and yet they remain "happy" with that! Strange at best! It seems that they need to change...

I have no experience of any cells ecept Panasonic on both of my e-bikes, but the first bike was about 1 year old when I bought it, and I sold the bike with the same battery, still working fine, at around 6 years old. As far as I am aware, that same battery is still working, though I have to...

I cannot answer your question directly, but assuming you want it to be water tight, there is that thin see thru kitchen stuff called cling wrap, which might help you, till you get the right part - just in case, so to say! 18 months ago I got caught out in a major "cats and dog" rain, and it got...

Have you asked the company concerned? If they don't want to tell you, you should possibly consider that probably they are not of good quality or name! Lots of unknown Chinese makes, possibly good and possibly not I am told! Also, I read an article that maintained that some firms buy rejects to...

A cutting disk makes your statement fully correct of course! For the Bump key idea from someone else here, Bump keys need to be the right profile or very close to work smoothly, but I was unable to find a same/similar profile here in Germany for either. I was also unable to even get a key cut...

One has no name on it anymore, it was a tag that I cut off as it annoyed me, sorry! And I simply bought it then (10 years ago!) because it was very heavy, very thick, and completely covered in plastic, so reducing scratching, and I thought that it might take a long time to cut through! Nobody...

Let us know if you still need help. regards Andy

Generally, if no charge is actually taking place, the charger LED will show green, eg. showing fully charged. You will also see the same, if the charger is on, but not plugged into the battery charging socket! But in a normal charging cycle, red will be shown first (assuming the battery is not...

As Neath correctly said, do check the voltage of both batteries with a reasonable voltmeter, as a "dead" battery may also indicate "full" when the charger is connected. Its a well documented problem with Li-ion batteries, that need to be carefully cared for even when not in use. In fact, as I...