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Good afternoon I've been a long while off the forum for a number of reasons and find myself a little disconnected from the latest in battery tech and suppliers My 4 year old 36v pack made of LG mj1 cells is way past its best and nearing retirement. It used to be pretty much buy new from...

I'm trying help community bike repair group with an unusual ebike. A full suspension, carbon fibre, small wheel bike. It has a rear AK motor, a proprietary lcd and battery , a controller I don't recognise and a strange failure. I'll try to keep this succient. The issue is that the lcd fires...

I'm trying help community bike repair group with an unusual ebike. A full suspension, carbon fibre, small wheel bike. It has a rear AK motor, a proprietary lcd and battery , a controller I don't recognise and a strange failure. I'll try to keep this succient. The issue is that the lcd fires...

I've often hankered after a spot welder but I don't have 150 to splash for a decent one and nor would my most occasional use justify it However, I keep seeing cheap all in one type pens, often specifically called out as 18650, welders. The price is well under 50 usd which is fine for me Here...

Hiya. I have a use for a tiny , low ah , super light 36v battery. I also have 10 30q cells and time in lockdown I could stick in a water bottle or in a saddle bag but anyone got an genius ideas for formation ? It's an open book. I could place in 2 x 5cells long blocks and make something...

Hi all I recently had an issue with my mid drive cutting out intermittently. This post is just to show the diagnosis and result in case I may help a other So the cutout was Totally unpredictable, sometimes under load and sometimes not. Sometimes on bumps, sometimes when near stationary on the...

Hi all, OK not really ebike exactky but I recall there are experts here so hope this is ok I've been offered a 1961 motocomfort mobylette. Working condition, heavily rusted /patina but solid and true frame. Wheels also though tyres are knackered Any idea what it's worth as a fair price. It's...

Short version - any recognise these connectors or know where I might source them? Long version! My dad has some expensive heated gloves (300notes expensive!) He has asked me make him bigger spare battery pack or two that will be mounted inside his mountaineering coat on each upper arm...

I've just had the delight of having needles stuck in my eye tear ducts and syringes of solution pumped through them. Awesome It turns out I have blepharitis too. A kind of condition where your oil ducts next to eyelashes are blocked or not working properly Means your tears are sub standard...

The guys in this store have always been good to me despite never buying a bike and turning up with odd requests on my own DIY bikes. Keep em peeled - no chargers or keys obvs

I thought this was intersting. I'm well aware of the sometimes posted - run them to zero, stick in bucket of water, possible nail though (lipo particularly) then take to recycling centre But maybe just freezing skips several steps? https://newatlas.com/energy/freezing-faulty-ev-batteries/

I have bought 21ah mj1 hailong xl battery. It has no BMS so I was ready so solder in. But when it arrived today I noticed I wasn't supplied with any screws to hold the case together I've looked all over but cannot find the info What size screws do I need and are they same length. From sight...

Just a bit of Friday silly Just saw this on a Brighton selling page. A. Bonkers but good and ripe for conversion? Or B. does it make you wince and die a little bit inside?

I love my 700c hybrid commuter but I hate the lack of a suspension fork. Can I get any 700c suspension forks for less than 75 quid (disc compatible a must)? My forks are cheapo alu and the worst component on my bike by a mile I have a suss post BTW (suntour one) but my wrists ask for front...

I've a one year old 17.5ah pack of mji cells. The pack I sourced welded but without BMS or a case I could use. So I added a BMS, kapton taped and shrink wrapped, then it went in a frame bag. Water ingress has fried cell string 9. A neat take down as both 8 and 10 remain perfect. They test at...

Hiya Anyone know a source for a charge port for hailong xl case (the 60 cell version) Like this Thanks all

'We live for gravity biking': deadly sport is way of life in Medellín https://www.theguardian.com/cities/2019/oct/02/we-live-for-gravity-biking-deadly-sport-is-way-of-life-in-medellin?CMP=Share_AndroidApp_Copy_to_clipboard

My basic understanding is that you cant ship a battery for an ebike very easily within UK but you can ship a bike with one Question is does the one have to power the other? Would it be ok to buy a battery and ship it with 5 quid non electric junk bike off gumtree to circumvent the issue ...

Why are they like hens teeth to find when you can find both hard tail and full suss frames in every other commonly used material? I cant find a good reason but I truly don't think its price

I'm looking for a decent cheap Chinese light that will frankly light up the sun Something for me, cycling offroad on the south downs in November . Never to be used on the road. Ever. I have every permutation of battery pack so no worries about power. Lots of cases, excellent cells and so...