Solar math for an Analog brain...

[Ken in Anaheim]

I have a Power Owl (ZN825E) battery charger, for AA and AAA Ni-MH batteries. It's listed as having an out put of 1.4v 250mA*8 It has 8 slots for batteries. Let's say I'll be charging 8 batteries (AmazonBasics) at a time. 4 AA's 1.2vmin 1900mAh and 4 AAA's 1.2vmin 750 mAh.
My question: what is the smallest solar panel I could use to complete this in +/- 8 sunny hours ?
TIA........Ken

 

[abnorm]

That charger is powered by a USB outlet.....So to keep it simple you need a panel that has a USB charging port

A 100 watt Jackery folding panel has a USB built-in......................BUT at $3 a watt !!!!

Amazon has scores of Small Folding Solar Panels USB...........I think almost any of them will charge your 8 batteries in 5 sunny hours....................

DUH......EDITTED to ask .............How long does it take Now......plugged into a USB outlet ?

 

[rruff]

4 AA's 1.2vmin 1900mAh and 4 AAA's 1.2vmin 750 mAh.

Energy = 4 x 1.2V x (1.9 + .75) = 12.75 Wh. Divided by 8 hrs gives 1.6 watts.

There are lots of little USB solar panels available that will work. https://www.amazon.com/usb-solar-panel/s?k=usb+solar+panel