Please create an account to participate in the Slashdot moderation system

 



Forgot your password?
typodupeerror

Comment Laptop 18650 (Score 1) 95

You can usually see which laptops use 18650s, by the shape of the case. Pick a laptop, and search Amazon for replacement batteries.

I strip the 18650s out of laptops for other uses. It's just cheaper that way. It usually works out to about $1 for each 18650, including the occasional bad battery.

Thin squares, like the MacBook Pro have, are different. It's pretty obvious that an 18650 wouldn't fit in it.

Built in batteries are more likely to be flat square or rectangle types. You're SOL for replacing those with a pack of 18650s.

I only strip them down for their cells. I suppose if you're *real* careful, you could cut the case open, and be able to reseal it. There are temperature sensors inline, that you'll want to keep. and you'll need to solder the new ones together. They're typically spot welded. And, obviously, you'll need to keep the original control board. ... or just buy a replacement pack on Amazon or eBay. When the batteries die in the laptops I use, I don't try to remanufacture them. While I could do the parts cheap, the labor would exceed the cost of the replacement pack.

https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3F...

Comment Re:Uber killed a BICYCLIST, not a pedestrian (Score 1) 953

The original reporting on ABC15 Self-driving Uber car hits, kills pedestrian in Tempe actually includes a video that has the caption "Self-driving vehicle hits BICYCLIST". The video also shows a crumpled-up bicycle.

Unfortunately, ABC15's text article says "a woman walking outside of the crosswalk was struck" and that is what the rest of the media is regurgitating as their own reporting.

The video also shows a number of bags with the bicycle so she may have been walking with it. Also, some of the bags are black trash bags, which may have contributed to the failure of the sensors (and human) to observe in time.

Comment Re:Horrible idea.. (Score 1) 96

I've probably had thousands of lithium ion batteries pass through my hands over the years.

When I started playing Ingress, battery packs weren't popular and yet, so we carried spare batteries. To play for hours, we had to swap batteries, or be tethered to a car. They were dropped, manhandled, and otherwise abused. Of everyone I know that did it, none died. No explosions. No fires.

The only real thing we found was, repeated charge/discharge cycles daily did eventually degrade the life of the batteries. A typical work day could be 1hr before work, .5 hours on smoke breaks and lunch, and a few hours in the evening. That's just Ingress. Actually using the phone as a phone added hours, but didn't suck up the battery life as much.

We see the same from ecigs and 18650 batteries. I only made one smoke, and that was by physically cutting the battery open. I wanted to see what was inside. :)

The only battery that I've had swell to the point of almost bursting was a Macbook Pro's battery. I stopped using it months before, and only noticed when the battery cover popped off by itself.

Comment Re:First (Score 1) 172

I'm a bit concerned that rescinding an emergency alert even involves a Twitter password. No important part of the broadcast system.

No one should be expected to go look at Twitter to confirm that a war just started. If anything, I'd think it would be reasonable to believe that the enemy starting a nuclear war, may be able to send out a fake tweet.

Slashdot Top Deals

"All my life I wanted to be someone; I guess I should have been more specific." -- Jane Wagner

Working...