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Comment by tpadtway | Hacker News Reader

x220 with ips screen, 9 cell battery. Lasts 9 hours if you just ssh. You can get it for $300-$400.

I do have a similar experience. However, when I start compiling, the battery goes down in 2-3 hours. Simply because the compilation takes so much time...

I do that stuff on AWS. I try and treat my laptop as a terminal.

Oooh, I like that idea! I'm gonna try to figure that out today.

Or if you have some spare basement space, pick up an old Dell PowerEdge or some HP equivalent from eBay and slap ESXi on it. Works well for me, and I use my PowerEdge T410 for some other home services. 12 cores, 24 threads and 64GB DDR3 ECC RAM goes a pretty long way.

Plus keeps your house warm in the winter :)

If you’re an Emacs user, TRAMP makes running compilers on an external system feel almost completely transparent. New shells automatically open up on the remote machine and it feels almost local if your network latency is low enough.

How much is that AWS instance?

I fire up a suitable instance when I need it rather than leave one running. I have an AMI ready to roll with tools on it.

Average about $7-25 a month depending on what I’m doing.

Yes, but that machine is quite a whole lot newer than an old X200. It's from 2012, X200 is from 2008.

Leveno sells new original batteries for old thinkpads. I have a x230 with a new battery and it lasts >8 hours.

You can also get NOS batteries on eBay for virtually nothing. Recently got a 68+ for my T440 for £39 delivered.

Be careful though as anything over 4 years old can be DOA as the batteries slowly discharge and the BMS in the battery itself disconnects them permanently for safety. This applies to ones Lenovo sell as well. I found this out when I bought the above but the seller sent another one out FOC. I dismantled the dead one, pulled the 18650s out and charged them up standalone and they were fine. Free cells!

The big problem with NOS battery is that sometimes its a gamble! I bought one off eBay for my x230 and I had to change it.

But the seller was cool enough to change it ( getting 4-5 hours ) and a smaller one which gets me around 2 hours more.

Yes it is a gamble but as I said, it is from Lenovo as well. The battery manufacturing date I got from a "new" one was 4 years old once.

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