Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
It has a compact case. you can put all staff together. case seems very durable. material quality is very well. output seems stable under direct sunlight. i got 550 ma current on short circuit for 30 seconds. there is also a output control circuit on it. if you dont have direct sunlight it cuts off power. its good for general use.
in description capacity seems 660 mah. but there is no capacity because there is no battery. you need any other power pack to store power.
if you plan to use an automatic step up/step down circuit you should disable circuit on it. because panels generate some power under daylight (not direct sunlight) but output circuit blocks it.
you can use it at everywere. but think twice at outdoor. it isnt waterproof.
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