{"product_id":"18650-battery-spacer-grid-octagonal-8-28-cells","title":"18650 Battery Spacer Grid | Octagonal (8-28 Cells)","description":"\u003cboostme\u003e\u003cboosttitle\u003eBoost Me\u003c\/boosttitle\u003e\u003c\/boostme\u003e\u003cp\u003eThis is the \"Powerhouse\" edition of my octagonal battery holder system. These \u003cstrong\u003e4-row wide grids\u003c\/strong\u003e are designed specifically for large-scale energy storage projects, such as home powerwalls, solar accumulators, or high-performance EV battery packs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy use the 4-wide series?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly Speed:\u003c\/strong\u003e Instead of gluing dozens of smaller holders, use these large blocks to rapidly assemble huge battery arrays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Integrity:\u003c\/strong\u003e A 4-wide block creates an incredibly solid core, keeping cells perfectly aligned under the weight of a large pack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOctagonal Channels:\u003c\/strong\u003e In a dense 4-deep pack, airflow and wire routing are critical. The \u003cstrong\u003eoctagonal design\u003c\/strong\u003e ensures there is a gap between every single cell to prevent heat buildup and allow for BMS sense wires to pass through.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eThe Set Includes (Grid Sizes):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e4x2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4x3\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4x4\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4x5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4x6\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4x7\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePrinting Instructions:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e \u003cstrong\u003eABS, ASA, or PETG\u003c\/strong\u003e are mandatory. High-discharge packs generate heat that will deform PLA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e Designed for a secure friction fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Count:\u003c\/strong\u003e Use at least 3 perimeters for maximum stiffness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesign by Mateusz Tokarz on MakerWorld (license: BY).\u003c\/p\u003e","brand":"Mymadmanlab","offers":[{"title":"Default Title","offer_id":67395557261616,"sku":null,"price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/0809\/5280\/files\/0_e85ed0f3-94b9-4e94-97f3-e7e07db35cc5.png?v=1784834050","url":"https:\/\/mymadmanlab.com\/products\/18650-battery-spacer-grid-octagonal-8-28-cells","provider":"Mymadmanlab.com","version":"1.0","type":"link"}