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Battery Designer2026-05-30

Custom Case Tool

There is now a custom case tool. You can get to it by going to  Settings --> Parameters --> Frame Type and choosing 'custom' from the drop down menu.  Currently, th

Low Cost 200W Inverter
Home Energy2026-05-29

Low Cost 200W Inverter

A defense of a tiny, inexpensive car inverter: not pure sine wave, but still a smart buy for small loads, portable setups, and cheap DIY power.

car powerdiyelectronicsinverterportable power