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[–] 1WinfieldBlue ago 

How long can you run your laptop for?

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[–] bikergang_accountant [S] 0 points 1 point (+1|-0) ago  (edited ago)

Looking at the voltage drop on the lead acid I would say all day. I ran it for a few hours. A cfl on an inverter will last about two to three before I get to a voltage on the lead acid where I worry about sulfating the battery.

With these plans I'm making the goal is to double down on batteries. I'm currently bid on 100 dead laptop batteries on ebay. One cell goes bad per laptop (how most things break). The others are 70% fine. By running the batteries in parallel en masse it is easy to both keep them under reasonable load and keep the amp-hours balanced across the series.