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Often times stuff like this from China ends up being trash but this device does exactly what it says it does. I am not at all disappointed.
Verified purchase: Yes | Condition: New
I have found this very useful. I am using my 48v battery to charge my 36v battery or charge phone or anything else DC I can think of. I mainly got this to keep my big battery moving energy. Keep it in good condition during the off season (winter) been using set up as power wall. It is fully adjustable and has come in handy for me 😁 great product, exelcent quality, very happy with purchase
Verified purchase: Yes | Condition: New
it works, but haven't tested it to its wattage limit. this write a review page is wanting me to select yes or no on questions like is it a good value and good quality but I how can I answer that just from using it a few times? we all know how electronics hold up now days. the answers to those questions will be known in time. hope it keeps working and so far it is.
Verified purchase: Yes | Condition: New