Use electronics solder that contains 2% silver. One side of the cell is (+), the other (-). Cells are connected in various combinations of series and parallel, depending on the intended use--our broken panels are made to be connected with 3 or 4 panels in series to charge 12 volt batteries.
This means that extra pain  medication can harm your kidneys and/or your liver, without any  extra pain relief.    400mg of ibuprofen (2 normal tabs, or 1 extra strength tab) every  4-6 hours, and up to 1000 mg of acetaminophen (2 extra strength  tabs) are the upper recommended dose for both drugs.
Best Answer: Assuming that the two Advil you took were only 200 mg each, then you need to wait 4 hours between doses. You can not exceed 2,400 mg of ibuprofen in a day. If you need something else because the Advil is just not cutting it, you can alternate taking Advil with Tylenol. You can take 2 Extra Strength tylenol four times per 24 hours in order to stay at the 4,000 mg daily dosage limit.