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I bought my Sodium packs to test in cold weather, however I think the real benefit is actually high temperature - places like Australia...

It’s not often we in Europe get better pricing than the US. Those guys at 18650 seem to be making the most of end users not having fully...

Shutdown on the new inverter for the night with 50 watt load running for hours the FETs heat sink was cold to the touch. Disconnected...

18650 has them for preorder for $110 plus shipping, 304s are $105...

MB31 314Ah cells showed up on Nkon.nl today on preorder for delivery end of June. €92 each plus shipping which is €8 more than I...

I've spent some time on Home Assistant. I installed it on a Raspberry Pi 4 as the OS. I managed to solve it with the MySensors plugin so...

According to the second line in the chart of my Google lens translation of this slide from the 2023 “Senior Engineer Lithium Battery...

This is not a thread to discuss the relative merits of lead acid versus other chemistries. So before it gets further derailed I'll point...

Hardly. For backup it's still the chemistry of choice as keeping lithium sitting for months/years on end fully charged ain't a great...

Very easily and cheaply done with any type of smart home power switching socket adapter. I would use the Tuya range such as this...

And report to back, I'm interested in empirical testing

Even if they don't share current equally, it's not a problem. When you hit the upper or lower knee the lazy one will get dragged into...

Yeah I completely agree and I have no qualms about paralleled cells discharging at slightly different rates then catching up later in...

I would try both ways and compare. :)

For batteries of the same or similar IR, it’s considered best practice to diagonally connect load tap offs as shown in option A diagram...

Great work!

Hello everyone! I've recently developed an application that can read data from Junctek devices and transmit it over a port. The...

I am in the path so will be interesting to see it drop off at peak pv production time. But cloudy conditions already so….will post graph...

It’s watt hours which count, and here in the winter when bulbs can be on 18 hours a day, efficiency improvements really help. But...

The “best” LED bulb I want is the one isn’t one which looks like an old fashioned bulb, it’s one which will be most efficient. I keep...