{"product_id":"18650-battery-holder-box-bronze-pins-single-series-diy-battery-pack","title":"18650 Battery Holder Box — Bronze Contact Pins, Single \/ Series Configuration, DIY Battery Pack","description":"\u003ch2\u003e18650 Battery Holder Box — Bronze Contact Pins, Single \/ Series Configuration\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003e18650 battery holder\u003c\/strong\u003e features high-conductivity bronze contact pins for reliable electrical connection and secure battery retention. Available in single-cell and multi-cell series configurations, it is the essential component for building DIY Li-ion battery packs, portable Arduino power supplies, and power bank projects using standard 18650 cells.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Cell\u003c\/td\u003e\n\u003ctd\u003e18650 Li-ion (65mm length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Material\u003c\/td\u003e\n\u003ctd\u003eBronze (high conductivity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eSingle cell or series (variant dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eWire lead (red = +, black = −)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Retention\u003c\/td\u003e\n\u003ctd\u003eSpring-loaded contact pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eConfiguration Guide\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1S (single cell)\u003c\/strong\u003e — 3.7V nominal, for 3.3V\/5V boost converter projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2S (2 cells in series)\u003c\/strong\u003e — 7.4V nominal, for 5V–8V applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3S (3 cells in series)\u003c\/strong\u003e — 11.1V nominal, for 12V Arduino \/ motor driver projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4S (4 cells in series)\u003c\/strong\u003e — 14.8V nominal, for power tool battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose This 18650 Holder?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBronze contact pins\u003c\/strong\u003e — lower contact resistance than steel springs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSpring-loaded retention\u003c\/strong\u003e — secure fit for standard 65mm 18650 cells\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWire lead output\u003c\/strong\u003e — easy to connect to BMS, boost converter, or load\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSeries configuration available\u003c\/strong\u003e — build multi-cell packs without spot welding\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact enclosure\u003c\/strong\u003e — protects cells and prevents short circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDIY 18650 Li-ion battery pack assembly\u003c\/li\u003e\n\u003cli\u003eArduino portable power supply (with boost converter)\u003c\/li\u003e\n\u003cli\u003eDIY power bank cell holder\u003c\/li\u003e\n\u003cli\u003eFlashlight and torch battery replacement\u003c\/li\u003e\n\u003cli\u003eRC vehicle and robot battery pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × 18650 Battery Holder Box (configuration as selected)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e18650 cells not included.\u003c\/em\u003e\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"2PCS 18650 SMD","offer_id":46991436087531,"sku":"14:10#2PCS 18650 SMD","price":4.4,"currency_code":"USD","in_stock":true},{"title":"1PCS 18650 SMD","offer_id":46991436120299,"sku":"14:350852#1PCS 18650 SMD","price":3.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/18650-battery-holder-box-case-with-bronze-pins.webp?v=1761879955","url":"https:\/\/keszoox.com\/products\/18650-battery-holder-box-bronze-pins-single-series-diy-battery-pack","provider":"Keszoox","version":"1.0","type":"link"}