micromobility - Ebikes, scooters, longboards: Whatever floats your goat, this is micromobility

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Ebikes, bicycles, scooters, skateboards, longboards, eboards, motorcycles, skates, unicycles: Whatever floats your goat, this is all things micromobility!

"Transportation using lightweight vehicles such as bicycles or scooters, especially electric ones that may be borrowed as part of a self-service rental program in which people rent vehicles for short-term use within a town or city.

micromobility is seen as a potential solution to moving people more efficiently around cities"

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Grin's Perspective on Ebike Battery Fires, 20 Years of Experience - Live from the BC Bike Show (youtu.be)

submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/micromobility

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Good talk on ebike battery fires by Jason from Grin/ebikes.ca

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[–] sachabe 9 points 9 months ago* (last edited 9 months ago) (2 children)

Tldr :

Early days of Lithium batteries (2000s) were kind of a mess. You're fine now, thanks to lots of regulations and product maturity.
Batteries can still catch on fire in case they're smashed, pierced, wet, or exposed to extreme heat (+60C). Have your battery replaced if it was damaged in an accident.
Batteries are expensive. Don't be tempted to buy cheaper options, and don't trust Chinese knockoffs. If the price is too good to be true, it's probably counterfeit and some of the security checks probably haven't been implemented to save on production costs.
Some micro mobility solutions (think urban e-scooters and bikes) were the first to try to save costs and reduce the quality/security of their batteries. Mostly solved by now, but more regulation is happening.

Apply all these to not only the batteries but also their chargers and you'll be completely safe 🙂

[–] [email protected] 3 points 9 months ago

Li-Ion cells from vendors other than Panasonic, LG, Sony, Samsung have much higher failure rates even when the battery is otherwise executed correctly. They couldn't set an unprotected MG1 on fire via over discharging or overcharging.The internal cell pressure disconnect open the circuit.
- LFP is inherently safer and it's okay from other vendors. It's cheaper too, but lower density - less range.

[–] [email protected] 2 points 9 months ago

Thanks for the summary, am working right now so couldn't watch a video