Inside a proper (Utility company) LED work light.

This makes a change from the usual eBay-trash work lights that I take apart. It was given to me by the local electrical utility company to check out after it failed to take a charge. (faulty charger) The unit has a decent set of lithium cells giving about 7.2V at 4.4Ah. The charge circuit uses a buck regulator to allow a wide voltage range to charge the cells:- http://www.xlsemi.com/datasheet/XL4001%20datasheet.pdf And then boosts the cell voltage to two sets of four beefy LED chips in series (about 12V

• #فناوری_و_رایانه
• #work
• #worklight
• #led