{"id":131817,"date":"2026-04-29T22:49:59","date_gmt":"2026-04-29T20:49:59","guid":{"rendered":"https:\/\/mpb.kh.ua\/product\/welding-of-nickel-contacts-on-21700-tesla-cells\/"},"modified":"2026-04-29T22:49:59","modified_gmt":"2026-04-29T20:49:59","slug":"welding-of-nickel-contacts-on-21700-tesla-cells","status":"publish","type":"product","link":"https:\/\/mpb.kh.ua\/en\/product\/welding-of-nickel-contacts-on-21700-tesla-cells\/","title":{"rendered":"Welding of nickel contacts on 21700 Tesla cells"},"content":{"rendered":"<p>\ud83d\udd38 Why choose our welding service?<br \/>\n&#8211; Industrial precision (CNC): We use an automated spot welding machine. This guarantees a stable clamping force and a perfect current pulse on every contact. No manual defects or &#8220;burn-throughs&#8221;.<br \/>\n&#8211; Maximum cell safety: Welding takes a fraction of a second. The battery doesn&#8217;t have time to heat up, so its internal chemistry and stated capacity remain intact.<br \/>\n&#8211; Reliability for extreme conditions: Thanks to the use of special 3D-printed holders for fixing the cells during welding, the contact is extremely flat and strong. It easily withstands vibrations and shocks, which is critical for FPV drone builds, tactical power banks, or power tools.<br \/>\n&#8211; Save time and money: You don&#8217;t need to buy expensive spot welding equipment for a few projects. We will do the hardest and most responsible part of the work for you. <\/p>\n<p>\ud83d\udd38 What is it perfectly suited for?<\/p>\n<p>&#8211; Assembling custom batteries for FPV drones.<br \/>\n&#8211; Manufacturing powerful power banks and charging stations.<br \/>\n&#8211; Repairing batteries for power tools, electric scooters, or bicycles.<br \/>\n&#8211; Creating autonomous power systems for military and civilian needs.<\/p>\n<p>\ud83d\udd38 How does it work?<br \/>\n&#8211; Your or our cells: You can send us your 21700 batteries (or other formats), or order welding based on our tested cells.<br \/>\n&#8211; Fast processing: Thanks to the automated process, we quickly handle both single orders and large batches.<br \/>\n&#8211; Ready result: You receive batteries with securely welded nickel caps, fully ready for easy home soldering.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Soldering wires directly to batteries always carries the risk of overheating, capacity loss, and destroying the cell&#8217;s chemistry. We offer a safe and technological solution: professional spot welding of nickel contacts (caps) to your or our batteries using high-precision equipment. After this, you will be able to easily and safely solder any wire using a standard soldering iron.  <\/p>\n","protected":false},"featured_media":135780,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[391],"product_tag":[],"class_list":{"0":"post-131817","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-services","8":"first","9":"onbackorder","10":"shipping-taxable","11":"purchasable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Welding of nickel contacts on 21700 Tesla cells - \u041f\u043e\u0432\u0435\u0440\u0431\u0430\u043d\u043a\u0438 \u0434\u043b\u044f \u0417\u0431\u0440\u043e\u0439\u043d\u0438\u0445 \u0421\u0438\u043b \u0423\u043a\u0440\u0430\u0457\u043d\u0438. \u0417\u0430\u0432\u0436\u0434\u0438 \u043d\u0430\u043f\u043e\u0433\u043e\u0442\u043e\u0432\u0456!<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mpb.kh.ua\/en\/product\/welding-of-nickel-contacts-on-21700-tesla-cells\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Welding of nickel contacts on 21700 Tesla cells - \u041f\u043e\u0432\u0435\u0440\u0431\u0430\u043d\u043a\u0438 \u0434\u043b\u044f \u0417\u0431\u0440\u043e\u0439\u043d\u0438\u0445 \u0421\u0438\u043b \u0423\u043a\u0440\u0430\u0457\u043d\u0438. \u0417\u0430\u0432\u0436\u0434\u0438 \u043d\u0430\u043f\u043e\u0433\u043e\u0442\u043e\u0432\u0456!\" \/>\n<meta property=\"og:description\" content=\"Soldering wires directly to batteries always carries the risk of overheating, capacity loss, and destroying the cell&#039;s chemistry. 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