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Any LA Battery, totally misused, will dissappoint the idiot that ran them like that. The plus point on a Leisure battery, also often called a deep discharge battery for obvious reasons, is that if it is recharged reasonably quickly, it will live to charge another day. Say within 24 hours, no...

Why do you need an explanation? This number is just the "top of the pile", there were probaby 5 times more incidents, all simply not reported. Either some batteries are being made wrongly, or of poor qualty cells, or the owners are being stupid in some manner......I cannot say without a great...

Cograts, well done. You saved yourself a buncle of cash. But do not leave your battery on trickle charge, it will definitely shorten its life. Simply charge to the capacity you require, or a full charge, and check the output volts every few weeks if not in use. It will last years then...

Sad to say, but they must have been badly designed. I have a leisure battery, bought in 2004, that I kept in my caravan, which I recently sold with the same battery, still working with little or no capacity loss. The only possible difference was a charger that I designed and built, to perpetuate...

Worrying.

Thanks for posting such an interesting snippet. But I was aghast when I read more:- As reported, “Worcester Magistrate’s Court heard that Monsterebikes Ltd were supplying “Falcon” branded EAPCs fitted with motors powered up to 8000 watts and capable of speeds over 70mph without having type...

Always! I like a small and a large battery, amps wise.....then you have the best of both worlds! You also need an e-bike that:- a) Allows reasonably easy battery change and b) a battery shape for the spare that can be accomodated in a panier or rucksack or similar. The best bikes that I have...

You are seemingly mixing up Leisure and car LA battery types. Leisure (also called deep discharge), are built to handle such situations far better that those for cars. And remember, the leisure battery is "topped up" within a day or so, should show no ill effects. Also, with the added benefit of...

It's horrifying how almost anyone, with tzhe right tools, can open most locks, especially cylinder types, after an hour or so's practise and watching a few YouTube videos..... Thats all the training you need..... I was only in a locksmiths job for 7 months, after I retired from my previous...

Hopefully someone knows this connector and can show you the right place to get one. But all is not lost, picking a good DC connector pair, and cutting off the old one on your battery, and soldering the female one onto the battery, should work fine for you. regards Andy

I hate to be negative, but what do you think it will do for you? I seriously doubt that it will recover the battery, as i still believe that the BMS will reject charging still. Let us hope that I am completely wrong, and you can get going soon! I just found these links, which explains a lot, but...

You still need to check your multimeter against a known accurate one. The AC side, other than the input to the charger, is unimportant for e-bikes, you just need accurate DEC readings. As your chargers (2 of them!) put out just over 50 volts, as I mentioned in my last post, the chances are that...

You may have intended to be helpful, but if you do want to really help, you do need to supply full and accurate data, or leave the subject alone. Many examples of incorrect or missleading data in your post, that the OP will certainly need to know. You also did not know the OPs electrical...

You need to check your multi meter against a known good one, don't simply assume its correct, as it could be misleading you..... regards Andy

I only found this, but its in Chinese English, but it also shows the name of the manufacturer:-

I bought mine in 2017, they were sold EVERYWHERE and as I am really happy, but I have'nt kept up with advances and changes - simply no need. Drop them an email and simply ask..... regards Andy

There are 0 Volt Chargers, that can recover some batteries that have slipped below the minimum voltage, where the BMS stops a normal charger from charging. That would appear to be the case with your battery. I only know of one company that supplies one version, for 36 volt batteries, in...

What nobody has mentioned up to now is that some full size bikes, fold in the middle so that you can swap out the battery. The early Stark that I bought does just this. I forget about that feature often! This is the latest version of what I bought. You can see the clip that allows opening and...

A folding bike, due to the requirements of its design, has folding parts and hinges, that no matter how good they are made, are never as solid as good, solid/tubed metal. They will over time, even if lubricated, wear and slowly get looser. Their lubrication will get on your clothes and skin...

As someone else mentioned here, its not doing anything good for your battery leaving it plugged in all the time.....only a charger that switches itself off and never switches on again, till you need to charge again. An easy and cheap fix, is to buy a cheap, mechanical 24 hour timer. Simply swap...