Parkside_x20V_UniversalStepDown
thingiverse
Human: Things allow for screwing on the "Universal Parkside X20v battery adapter," a frame and a cover, in which then an "XL4015 Step Down Converter" finds space and outputs a desired voltage of under 20V. In my case, I have a bicycle light, supplied with 8.4 volts. You will need: The "Universal Parkside X20v battery adapter" https://www.thingiverse.com/thing:3005395 A “XL4015 Step Down Converter 36V/5A” https://www.ebay.de/itm/XL4015-Step-Down-Converter-36V-5A-Voltage-Regulator-DC-DC-Arduino/162451442096 Long 3mm screws, metal for the contacts. ---------- Since I had concerns about heat development, I constructed an additional open cover each. To do this, you should create a metal base. I used only aluminum from a cat food lid. It is already thick enough. A can of soda metal would be optimal. To secure the heavy battery at the bike, I designed a belt holder.
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