ecoCalm Solar Fan with Battery, Solar Powered Fan 200mm with 12V Solar Panel and 4.5M Cable, Exhaust Fan for Greenhouse, Shed, Attic

Great item

Did try to use in a bathroom with no power but limited sun. Have now fitted in my greenhouse and working okay so far. Quiet and easy to fit.

Airflow is extremely weak. I don’t know what I was expecting but it is nowhere near enough to provide much ventilation for an 8 metres cubed (small box) room. It periodically turns on and off for no reason.

Bought for a polytunnel and what a difference it made. Not the cheapest on the market but definitely recommend.

I'm a bit disappointed with this product. The fan doesn't work at all on cloudy days. While the power storage setup is somewhat impressive, the fan itself isn't very powerful. The battery life claims that it will function even during overcast weather, but that's not true either I would have returned it but for the fact that I had to cut a hole in the glazing of me greenhouse to fit it thumbs down 👎🏽

I purchased this in order to reduce condensation in a 10 X 12ft steel shed I erected. I found it very beneficial for this purpose. The battery charges very quickly during daytime. Unfortunately its endurance is dependent on the amount of sunshine during the daytime. I run this primarily during the night while leaving it off during the day. The battery does not have enough capacity to allow it to run continuously 24/7. This is why I only run it at night. It is still effective. I only have had this for a month but I am happy with this product for now.

Excellent setup for locations where a mains powered fan might not be feasible, or simply too much hassle.I've just fitted a mains extractor of the same size (100mm/4") to an outbuilding with mains power. That required a core drill for the brickwork (and a lot of patience), but the end result was well worth it. Good air circulation in there now, and very noticeable when you go in.This solar/battery version is absolutely perfect for a large wooden shed here, without mains power.It's well made, the plastic used in the fan unit itself feels well up to the job, and not like the brittle stuff commonly used on alternative budget gear.The battery back has some weight to it, and although I haven't (yet) looked inside to check the actual cell info, I've no reason to doubt the specs given in the listing (3000mAh).Same goes with the panel itself, which again looks a good bit of kit, and not like the typical 'water fountain' types which are a bit cheap-and-cheerful.I've yet to install this in the shed, but have let it run for a bit while out in the sun (what little we've had so far). It runs absolutely fine, and the built-in shutters do their job OK when the power is disconnected, closing under their own weight.The price is one of the main considerations of course, but at time of writing there's a generous discount available which really makes it worth considering IMO.On a quality/value-for-money basis... a definite 5-Stars at offer price, 4 at normal price.

This solar fan is a decent fan. however at full price i would not buy this. it is made of cheap plastic - but the offers they regularly do - it seems decent.it is perfect for a greenhouse or shed etc. but i suppose you can even use it in bathrooms (if you can wire the solar panel outside) -the panels seem to work well - but it does switch to battery randomly when its cloudy. -the downside is the fan has NO speed controls - its "on" or "off" nothing in-between - i would like a speed control either manually or base on "temperature"its also a very cheap plastic feel - the solar panel seemed rough around edges - careful! i cut some skin off my finger! - it says its double sided but not sure how that would work - the sun comes from the sky!now i just want to find one of these but a floor or desk standing fan to use outdoors or indoors! - never knew could get any fans on solar panel like this.PERFECT for sheds as you dont tend to have electric running there, but even if you do, its FREE ENERGY from the sun £0.00 running costs - so i suppose thats where the true value comes from