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I've got one of those..I made it with Photoshop. It looks morphed (scary).

@ vfr400.. Well I wasn't talking about BMS itself, as you say that's built into all e-bike batteries we would hope. I'm thinking more of Nealh and his excellent advice on controlling battery charge voltage, I believe it's sound and correct. I've been using similar methods of voltage/current...

Talking of voltages and charging times, you would think these so called 'Smart' batteries would be able to sort all that out for themselves and not just guzzle current until they've filled their boots and ready to pop. I mean if you think about it they can cost as much as £500 and have a limited...

Has anyone ever thought of cutting a hole in a charger case and fitting in one of those small LED voltage/% meter's ? They claim high accuracy but who knows, it would at least give you a visual on the state of charge and a guide to when to curtail charging.

All understood... Now my humble e-folder has a maximum speed setting in the display of 35mph although obviously the bike won't go that fast, but that number is irrelevant because the motor cuts out at say 20 odd mph anyway ?

Again this all makes sense. I note that some motors will literally switch off when at max speed then you are on you're own until speed drops to assist level. My basic Bafang hub motor just keeps turning regardless so how much assistance it's supplying to the overall speed I don't know.

All that make sense of course. The bit that puzzles me is if the motor keeps turning no matter how fast you can pedal and you're cycling at 25mph, then it's supplying 76% of the power (I think), the other 24% is down to your peddling. Perhaps it just me but it just seemed to require a fair bit...

Hi all.. I'm new to the world of E-bikes so please bear with me. I've just purchased a 20 in folding E-bike, 250w hub motor 10 amp battery. Having tweaked the settings on the LCD display I find it reaches around 19 mph on pas level 5, I'm no youngster so that's plenty enough speed for me (on a...