Solar charging figures

[Jonesy68]

Guys I have an Allpowers 200w suitcase panel and I noticed when using it over the weekend even in full sun I wasn't getting nowhere near 200w.
Thanks have popped it back on the roof again now while it's sunny and still the same. Just hovers around the 100w.
Since upgrading g my LB to a Lithium I have changed the battery settings in the MPPT. Is there anything else that check?

 

[Dellmassive]

Post a few pics of the panel and it's spec sticker...

Full power needs a depleted battery as the power needs somewhere to go.

As the battery gets topped up the solar will roll off to. Zero.

Most panels will give you 50-90% of Rated power.

 

[Jonesy68]

Post a few pics of the panel and it's spec sticker...

Full power needs a depleted battery as the power needs somewhere to go.

As the battery gets topped up the solar will roll off to. Zero.

Most panels will give you 50-90% of Rated power.

These are the tech specs for the panel Lee

It might be that the battery @ 74%

 

[t0mb0]

Is the panel in direct sunshine with sun right overhead and no clouds or shading of any kind?

I would expect that battery in bulk charge to be accepting a lot more current than that when it's only three quarters full. Check the settings in the apps for both the battery and MPPT unit to check there's nothing in there that's limiting the power/current.

 

[StratosFearXX]

You need to try it at midday somewhere on the equator. If you're in Northern Europe it's still quite early in the year. Also any haze or thin cloud in the upper atmosphere has a big effect.

 

[Howzat]

Guys I have an Allpowers 200w suitcase panel and I noticed when using it over the weekend even in full sun I wasn't getting nowhere near 200w.
Thanks have popped it back on the roof again now while it's sunny and still the same. Just hovers around the 100w.
Since upgrading g my LB to a Lithium I have changed the battery settings in the MPPT. Is there anything else that check?
View attachment 326034

If you're lying it flat on the van roof you wont get full power. Try tilting the panel towards the sun at around 30-45 degrees.