Inexpensive way to charge your EV on excess solar power

By using a new power diverter concept, one can get a faster ROI. All is needed is a single power controller called PowerMC. Any common device can turn into a power diverter often for free and no modifications.

A how-to guide for DIY enthusiasts on building an inexpensive home battery storage system

Sun2000 Grid tied inverter Gen 2 These were the failed components in our first AC short incident. We believe the IGBTs (the 2 components...

In order to use non-Tesla DC fast chargers from networks such as Electrify America, EVgo, or ChargePoint, your older Model 3 (before Oct 2020 with chrome trim) will still need to have CCS enabled regardless if the plug is NACS/J3400 or CCS1. Purchase a used Gen4 ECU p/n 1537264-00-B or 1537264-01-B or 1537264-10-E (black) from eBay or similiar for as little as $75 or buy new on EPC (Tesla's parts catalog) for $140. Purchase "A Bundle of Wires with a Board" less than $65 here

UPDATE: A user reported that the current production Gen4 ECU used in the new 2025-2026 Model 3&Ys p/n 1537264-10-E (black) is also compatible with the "bundle of wires with a board". It appears Tesla has released a new Gen4 ECU p/n 1537264-01-B to replace the 1537264-00-B. This is direct substitute and works with the "bundle of wires with a board". Also, there are other third party makers of "a bundle of wires" especially from China. We heard that those are of poorer quali