Parametric D Cell Battery Holder

thingiverse

A parametric D cell battery holder. Something I needed for many of my projects, but I couldn't find any other super functional printable ones. Uses fairly inexpensive contacts available at digikey that keep a very solid electrical connection. Designed to work with these contacts from Keystone Electronics: [CONTACT BATTERY D NEGATIVE COIL](https://www.digikey.com/product-detail/en/keystone-electronics/5251/36-5251-ND/2745884) [CONTACT BATT D POSITIVE BUTTON](https://www.digikey.com/product-detail/en/keystone-electronics/5250/36-5250-ND/2745883) [CONTACT BATTERY D DUAL](https://www.digikey.com/product-detail/en/keystone-electronics/5252/36-5252-ND/2745885) [DUAL D CELL BATTERY CONTACT (L)](https://www.digikey.com/product-detail/en/keystone-electronics/5253/36-5253-ND/4499310) You will probably need all 4 depending on size battery holder you make. Use two [#4 1/2 inch pan head screws](https://smile.amazon.com/Screws-Phillips-Stainless-Self-Tapping-Quantity/dp/B01CEZT0R2/ref=sr_1_2?s=industrial&ie=UTF8&qid=1528342208&sr=1-2&keywords=%234) or anything that will fit a 3 mm hole to hold the cover on. I have already rendered to stl most of the basic boxes you would want to make if you don't want to mess around with openscad. Here are the nominal voltages produced by each battery pack that I rendered already. You can of course create much bigger battery packs if you so desire. NiMH or NiCd Nominal Voltages: * 1x1 = 1.2 volts * 1x2 = 2.4 volts * 1x3 = 3.6 volts * 1x4 = 4.8 volts * 1x5 = 6 volts * 1x6 = 7.2 volts * 2x1 = 2.4 volts * 2x2 = 4.8 volts * 2x3 = 7.2 volts * 2x4 = 9.6 volts * 2x5 = 12 volts * 2x6 = 14.4 volts Alkaline or Zinc-carbon Nominal Voltages: * 1x1 = 1.5 volts * 1x2 = 3 volts * 1x3 = 4.5 volts * 1x4 = 6 volts * 1x5 = 7.5 volts * 1x6 = 9 volts * 2x1 = 3 volts * 2x2 = 6 volts * 2x3 = 9 volts * 2x4 = 12 volts * 2x5 = 15 volts * 2x6 = 18 volts 6/6/2018 - Updated to include cover and better mounting points