Why it matters and why choose us?
\n\ud83d\udd38No risk of overheating: Soldering wires directly to the battery is strongly discouraged \u2014 high temperatures destroy the cell’s chemistry and drastically reduce its capacity and lifespan.
\n\ud83d\udd38Ready to use: Thanks to the spot-welded nickel cap, you can easily and safely solder any wire using a standard soldering iron in just a few seconds.
\n\ud83d\udd38Industrial quality: The welding is performed on a high-precision automated CNC machine. This guarantees perfect electrical contact, zero defects, and maximum connection reliability that can withstand vibrations and heavy loads.
\n\ud83d\udd38Cost savings: You don’t need to buy an expensive battery spot welding machine.<\/p>\n
Ideal for:
\n\ud83d\udd38Assembling custom high-capacity power banks and portable power stations.
\n\ud83d\udd38Building battery packs for FPV drones.
\n\ud83d\udd38Repairing and repacking power tool batteries.
\n\ud83d\udd38Powering portable tactical electronics.<\/p>\n","protected":false},"excerpt":{"rendered":"
An original industrial-grade 21700 battery cell, fully ready for safe soldering in home or field conditions. We’ve already done the hardest part of the job for you \u2014 using professional equipment, we securely spot-welded a nickel cap to the positive terminal.<\/p>\n","protected":false},"featured_media":135783,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[405],"product_tag":[],"class_list":{"0":"post-131808","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-batterycell","8":"first","9":"onbackorder","10":"shipping-taxable","11":"purchasable","12":"product-type-simple"},"yoast_head":"\n