[hornychz]

What size battery did you go with.???

Hi Mark,

I have only temporary Pb battery 12V/10Ah in this box, but it's not finally battery. Now I have a new PWM controller prepared for this installation, but don't have yet LiFePo4 battery. So I have or will have:
- 2 pcs solar panels Poly with 20 Wp 36 cells MPPT 18 V in a serial arrangement (so it is 36 V and more) GWL/Power Solar panel
- 1 pc PWM controller (not in the TX box yet) WINCONG SL-02A-10A LiFePo4 solar power controller
- 1 pc LiFePo4 battery pack 12V/12A with internal PCM (protection and ballancer) LiFePo4 Acu.
This battery I didn't buy yet, so I'm using MPPT controller and Pb acu now ...

I'm not sure, if this configuration will be enough during the winter. But there are/will my TX1 and TX2 units in this box, their failure isn't critical for me. If that's not enough, next year will strengthen the entire configuration.

I have not very good experience with the use of only one panel 20 Wp and Pb battery 12V/7Ah. This winter, after 3 days without sun, TX0 went down ... So I bought solar controller from Tycon with posibility to charge from the grid - because it is on our roof. This solutions is quite perfect for me, but I bought solar panel 40 Wp for this box and mount it during this spring.

And - that's all from me ... ?

Regards