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944 Posts
Be careful where you charge and store your batteries. E-Bike Battery Blamed for Sparking 4-Alarm Bronx Building Fire
Ebike battery fires.
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266 Posts
Do you guys do the bag of sand trick? Plastic bag of sand laid on top of the charging model airplane battery to smother it if it starts over charging or breaking down during the charge.
But yeah, owners need to monitor the charging process. Not leave charging batteries unattended regardless of their chemical make up or charging speed.
But yeah, owners need to monitor the charging process. Not leave charging batteries unattended regardless of their chemical make up or charging speed.
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4,105 Posts
Although sensible, that sounds like a completely unrealistic expectation. Anyone remember GeoManGear?
Lithium-Ion Batteries Used with Bicycle Lights Recalled by GeoManGear Due to Fire Hazard
Consumers should immediately stop using the recalled batteries. The company is notifying all known consumers. Consumers who have purchased the recalled batteries from GeoManGear and have not been contacted should visit www.MagicshineBatteryRecall.com to register to receive a free replacement...
www.cpsc.gov
edit: this fiasco caused me to buy a battery charging bag (like for RC car batteries). I used it for a few years and have fallen out of the habit...
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4,164 Posts
I just blindly trust the manufacture to give me safe products. Ebikes, electric car, electric scooter, phones, laptops, helmet lights, gopros, portable speakers, power tools, etc. Way too much in my home to take extra precautions during charging.
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2,551 Posts
Likely of the cheap Chinese variety, but I guess I don't even know if these things even required to be UL certified?
I only charge the battery when I'm home, and awake, and I put the charger on a timer, so it cuts off the power after whatever preset time I decide on.
My bigger concern is the damn thing bursting into flames while I'm riding, especially if I'm on an "unauthorized" trail.
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21,620 Posts
Could you imagine taking extra precautions for every single battery in your house? Sand bags everywhere. It’d look like D-day Normandy.
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2,551 Posts
Cheap insurance right here.
usa.banggood.com
Extra large Lipo Battery Explosion Proof Multifunction Safety Bag 64x25x25CM
Only US$19.99, buy best Extra large Lipo Battery Explosion-Proof Multifunction Safety Bag 64x25x25CM sale online store at wholesale price.
Even the best aren't going to help going after no name Chinese company.
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793 Posts
Looks like a delivery outfit had a fleet of them charging up for the following day.
Charging banks of these batteries is lot more complicated that just stringing together some extension cords....expect new fire/electrical codes for the new e-economy.
Charging banks of these batteries is lot more complicated that just stringing together some extension cords....expect new fire/electrical codes for the new e-economy.
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179 Posts
Like others have said, probably a cheap Chinese bike. My Orbea Rise uses the same battery cells as a Tesla, so I feel pretty safe charging it.
If you avoid AliExpress and stick with at least Amazon or higher it will probably be fine. I've had two Hailong II batteries, $329 and $479, charged them a total of maybe 300 items, zero issues. Yes, the AC adapter connected to the wiring and plug can get pretty hot...for maybe an hour then it calms down and is just warm for the rest of the charge, shuts off by itself. I've forgotten to unplug for several days after charging, nothing bad happened. The bottom line is that you don't buy a 10+Ah battery for $100, you simply don't. You pay at least $300 and you'll most likely be just fine. That doesn't mean the battery will automatically last 600 charges, but it will be safe for charging.
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6,721 Posts
This is no different from cheap biking lights, or any other cheap Chinese crap powered by batteries, for that matter. All this crap has been causing fires for a decade+. It’s not unique to e-bikes, despite the attempt to pile on and cash in on the sensationalism.
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4,164 Posts
There is so much cheap Chinese knock-off stuff on Amazon these days.
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7,101 Posts
I think all high discharge batteries have a higher potential to short. GM has a recall on the Bolt batteries. GM went as far as telling their customers not to park in enclosed areas. How many Teslas caught fire? iPhones and Samsung phones that catch fire. Vape pens that blow up in peoples mouths. I had an Ericsson phone battery short in my pocket.
LOL Amazon has let itself become an American version of Aliexpress.
Who said it was?
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