Sonoff POW setup with the Grafana/Raspberry image   Gear that can be purchased: Sonoff mixed search on Ebay: https://goo.gl/PHjssZ Sonoff the one used in the video and that I use: https://goo.gl/p6xuaH FTDI adapter: https://goo.gl/PrGULv Wires to adapter: https://goo.gl/4oHTuu Header pins: https://goo.gl/gvpxHz   Link on how to install the Tasmota software Code used in […]

Sonoff POW setup with the Grafana/Raspberry image


Spot fake 18650 cells   How do we spot fake cells? I recommend to check above video.   43-48gram in general 1500-3400mAh are nominal capacities to be found Max current around 20A. But those have less capacity in general and are expensive Price from 2USD/2EUR and upwards. Easily 4EUR. Check […]

Spot fake 18650 cells




Breaker and fuse panel
Build battery and fuse panel In this video i show you how i did to create my own breaker and fuse panel for my main battery bank including voltage meters.   Working with large scale system like this then proper rated fuses and breakers are a must. AC and DC […]

Build battery disconection and fuse panel


Measure grid consumption – Raspbery pie In this video i go through how I hook up my energy meters for measure the energy consumption. Both sold and bought from grid.   This is how its hooked up to the RS485 device: Build it Building this setup is easy. Modbus protocol […]

Measure grid consumption – Raspbery pie


Ebat battery review In this quick article i will show the result of the tests of the Ebat batteries I have done. Links in bottom of page. Equipment and test scenarios Icharger Duo 308 for testing capacity Flir I7 to meassure the temperature of the cell Logger on PC for […]

Ebat battery review



Lets build a universal serial port adapter for your Raspberry pi Check video out for detailed instructions!   List to buy stuff: (Ebay links) Pin headers: https://goo.gl/TKv3QN Silicone wires: https://goo.gl/mhLPGp MAX3232 TTL converter board: https://goo.gl/ziUsU4   The mini version of the adapter The slightly larger version Raspberry PI pinout      

Raspberry PI serial port adapter build


Get your Raspberry PI up and running to visualize your solar system with Grafana, MQTT and Node Red! Its important to understand that this is not magic stuff that will create all this wonderfull graphs for you! It will need you to do some work and also have some knowledge […]

Raspberry automatization ISO for Solar


My solar layout in Esperyd This page containts the layout of my solar system in Esperyd. It also contains details about how i process my cells.   Current system consist of: 66x 260w solar panels 80kWh of LiFePo4 18650 recycled cells -> 4 rows of 16s300p 30kWh of Li-ion Laptop […]

Esperyd current Solar layout – General information



Installing Batrium BMS on a Valence 12V LiFePo4 battery In this short article im going to cover the procedure in written text to cover the gaps i may have missed in the video.   Procedure: I first start with removing the cover of the battery itself. If you dont know […]

Install BMS on a Valence 12V LiFePo4 Battery