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Larger solar panel for Storm?

Rick Nov 27, 2019 03:48AM PST

A couple of days ago, after four and a bit monotonously dull grey days, the battery in my Storm reached a point at which the unit stopped reporting. I've re-charged it via USB, so it's back up and working now, but taking it down for several hours every few days for the next two or three months is not really a viable option.

The solar panel coped OK during the brighter months, but now we've got to the time of the year when, even if the Sun were to shine all day, the panel on mine would only get two or three hours of direct sunshine in the morning, and that mostly at a low angle. There's a forest on the hillside to the south of me, so there's not much chance of direct sunlight in the afternoon. I could try pointing the panel East rather than South (the geometry of the mounting doesn't allow for anything in between) and setting it so the panel's nearer vertical to try to catch any morning sun better, but I'm not sure that'd make enough difference. It seems to me it needs a panel which can put a bit more into the battery even when light levels are relatively low. Any options available?

Cheers, R

Up 1 rated Down
Vitek Nov 27, 2019 09:30AM PST
Dear Rick,

I was facing the same issue like you. A resolution was to replaced original battery 400 mAh with one which has 5.5 times bigger capacity, 2200 mAh.

I have in my place periods of constant low level overcast lasting up to 9 weeks. Like now, we are entering 7th week. And in addition daylight is short.

The original battery in Storm-S1 is 3.7 V, 400 mAh, 1.48 Wh, and lasts 1 – 2 weeks without good recharging. I have replaced it with a blue cylinder battery on the pictures 3.7 V, 2200 mAh, 8.14 Wh, which lasts 6 – 8 weeks. The new battery doesn’t fit into original place. But I am not experiencing any problems. You may use battery even with bigger capacity than 2200 mAh. You need minimum battery’s leads length 60 mm, 2.36 inch, receptacle: JST PHR-2.

Storm-S1 Battery and Replacement Instructions


Best regards,

Up 0 rated Down
Rick Nov 28, 2019 02:42AM PST
Thanks, Vitek. I'll look into that.

Cheers, R.

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