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 on the right) are the first to fail and as a result, there were damages to other components like the driver chip (lower left) and resistors. Update 10: July 1, 2026. One of the suppliers, Y&H, is now delivering the updated motherboard version (dated 2023-08-09). It is the same one others have already reported last year and mentioned below

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 from Tesla or on EPC (Tesla's parts catalog) for $140 plus tax. Users also have reported 1537264-10-E (smaller black one) will work with our bundle of wires, but may not mount to

Photo courtesy of Javier D. UPDATE - July 1, 2026: Important note. We no longer recommend buying the Gen4 ECU from any other sources except through Tesla because we have received many reports of unscrupulous sellers like on ebay who try to sell a package deal for a Gen4 ECU with a poor quality Bundle of Wires. We found out the Gen4 ECUs can be used (even though it is advertised as new), broken or misrepresented as the correct part number, and the Bundle of Wires can be of po

If you are a Do-It-Yourselfer and feel comfortable in opening up your EVSE to make very minor modifications, then this is a great price...

Always plug in and let the SolarAdapter do all the work automatically. Drive on 100% sunshine.

If you work from home and have solar power, you can control how much solar power you want to charge up your car by using our EVSE adapter...