The slowness is a problem, no doubt, but I’ll keep that car charger in mind.xantia_v6 wrote: 20 May 2026, 16:48 If you don't mind the slowness, you could get something like: https://www.jaycar.com.au/150w-car-lapt ... zdq4yX-tIS
To run it from the car, but you really need to leave the engine running to avoid a flat battery.
I recently bought a brand new 2000W inverter for $20 because the business was going to stop selling that range of inverters. It was marked down from close to $150.
I’m thinking about getting a small solar panel to power it and see how that works for keeping the laptop from dying mid-test, like it has done a few times recently. But I think the old laptop will not be very efficient with its use of power, so really don’t expect much from the envisaged system. But a newer computer might be better able to use that power. I’m still thinking it though.