Ultimate GreenWorks (40V) Battery Adapter

Ultimate GreenWorks (40V) Battery Adapter

prusaprinters

<p>I was not satisfied with the available battery adapters for use in my tiny electric go-kart build. I needed something stiff that I would never have to worry about.</p><p>Designed for G-MAX 40V series of GreenWorks batteries. But will fit other 40V series GreenWorks batteries as well.</p><p>Features polarity markings, high-current conductor, 20x20mm mounting hole pattern, and strain relief.&nbsp;</p><h5>Required:</h5><ul><li>2x 4.5cm piece of generic 1/4" copper water line tubing. (Wall thickness is 0.5mm.)</li><li>2x 15mm M3 socket cap bolt with M3 nut</li></ul><p>Print vertically in PETG for least amount of support material and smoothest fit.</p><h5>Build it:</h5><ol><li>Straighten and cut approximately 4.5cm of 1/4 inch copper water line tubing.</li><li>Carefully flatten the last 13mm (1/2 inch) of one end of said piece. Avoid imprinting sharp burrs. Use a bench vice with smooth jaws.</li><li>Verify blade thickness is 1.0 to 1.25mm and blade height is about 9.5mm to 10mm.</li><li>Chamfer cut edge if desired.</li><li>Solder wire (or female banana jack) into open end. Avoid getting solder on the outer wall of the copper tube. File off if necessary.&nbsp;</li><li>Insert new blade terminal into printed adapter from the inside; wire-first.&nbsp;</li><li>Repeat for other terminal.</li><li>Push both terminals in firmly while maintaining vertical alignment. Approximately 13mm of the blade contact should protrude from the inner backstop. (see picture)</li><li>Finish it off with the strain relief shoe and two 15mm M3 bolts w/ nuts.</li></ol>

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