{"id":17239,"date":"2026-03-03T23:03:37","date_gmt":"2026-03-03T21:03:37","guid":{"rendered":"https:\/\/1dronas.lt\/?post_type=product&#038;p=17239"},"modified":"2026-03-03T23:26:53","modified_gmt":"2026-03-03T21:26:53","slug":"sequre-sq-sw3-kondensatorinis-taskinis-suvirinimo-aparatas-18650-21700-licio-baterijoms","status":"publish","type":"product","link":"https:\/\/1dronas.lt\/en\/produktas\/sequre-sq-sw3-kondensatorinis-taskinis-suvirinimo-aparatas-18650-21700-licio-baterijoms\/","title":{"rendered":"SEQURE SQ-SW3 capacitor spot welder for 18650 \/ 21700 lithium batteries"},"content":{"rendered":"<p><iframe loading=\"lazy\" title=\"SQ-SW3 CAPACITOR Battery Spot Welder by SECURE (Review)\" width=\"1020\" height=\"574\" src=\"https:\/\/www.youtube.com\/embed\/YpD6r3TSBK0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Compact and powerful SQ-SW3 spot welder is designed for the production and repair of 18650 and 21700 lithium battery packs. The device uses a capacitor energy storage system, ensuring a stable current pulse of up to 2500A. Suitable for welding nickel-plated, pure nickel and copper strips. It has a color LCD display, automatic and manual modes, multiple charging methods and a durable aluminum housing for effective heat dissipation. A great choice for both DIY enthusiasts and professional work.<\/p>\n<p><strong>Features:<\/strong><\/p>\n<p data-start=\"38\" data-end=\"249\"><strong data-start=\"38\" data-end=\"45\">\u2022 <\/strong>Uses high-quality, low-resistance MOS transistors with a maximum operating current of 2500 A. This spot welder is suitable for welding nickel-plated steel, pure nickel and copper sheets;<br \/>\n\u2022 SQ-SW3 supports multiple charging methods: fast\/slow charging and battery charging. It quickly restores energy and can work continuously, greatly improving the stability of continuous spot welding;<br \/>\n\u2022 All-metal aluminum body ensures fast heat dissipation. Superfarad energy storage capacitor is used - large energy capacity, long service life, safe and reliable operation;<br \/>\n\u2022 2 start modes: automatic and manual. Has additional functions: welding point counter, temperature measurement, LED lighting, firmware update, etc.;<br \/>\n\u2022 High-definition (HD) color LCD screen, multi-language support \u2013 Chinese, English, Russian;<br \/>\n\u2022 Aluminum oxide coated copper welding tips are hard, durable and long lasting. Copper does not melt on the tip, so it does not stick to the nickel strip during spot welding;<br \/>\n\u2022 Double head design improves application efficiency;<br \/>\n\u2022 Two types of spot welding handles: separate handle SWP25 and integrated handle WP30. They are made of 25 mm\u00b2 extra soft multi-core nickel-plated copper wire. Soft, oxidation-resistant, low resistance, high current carrying capacity and durable.<\/p>\n<p data-start=\"38\" data-end=\"249\"><strong>Specification:<\/strong><\/p>\n<p data-start=\"56\" data-end=\"156\">\u2022 Model: SQ-SW3 capacitor energy storage, spot welding machine;<br \/>\n\u2022 Screen size: 1.8-inch color high-definition (HD) LCD screen;<br \/>\n\u2022 Start mode: Automatic mode \/ Manual mode;<br \/>\n\u2022 Output voltage: 5.6 V (max.);<br \/>\n\u2022 Output current: 2500 A (max.);<br \/>\n\u2022 Nickel-plated steel thickness: \u2264 0.5 mm;<br \/>\n\u2022 Thickness of pure nickel: \u2264 0.3 mm;<br \/>\n\u2022 Copper sheet thickness: \u2264 0.2 mm;<br \/>\n\u2022 Charging methods: AC, DC, fast charging, slow charging, battery charging;<br \/>\n\u2022 XT60IE-M connector: Charging (5.6 V, max. 15 A);<br \/>\n\u2022 Type-C connector: Firmware update, charging (PD3.0, DC up to 25 V max.);<br \/>\n\u2022 5525 connector: Charging (DC up to 25 V max., battery up to 6S max.);<br \/>\n\u2022 Pedal connector: 3.5 mm AUX (4-pin);<br \/>\n\u2022 Dimensions: 223 x 133 x 68 mm (length x width x height);<br \/>\n\u2022 Weight: 1565 g.<\/p>\n<p data-start=\"56\" data-end=\"156\"><strong>Package:<\/strong><\/p>\n<p data-start=\"56\" data-end=\"156\">1x SQ-SW3 spot welding machine;<br data-start=\"39\" data-end=\"42\" \/>1x 5.6V 15A charger;<br data-start=\"67\" data-end=\"70\" \/>1x 19V 2A charger;<br data-start=\"93\" data-end=\"96\" \/>1x USB cable;<br data-start=\"110\" data-end=\"113\" \/>1x 18650 battery holder;<br data-start=\"141\" data-end=\"144\" \/>1x 0.1 \u00d7 8 mm pure nickel (5 m);<br data-start=\"179\" data-end=\"182\" \/>1x File;<br data-start=\"191\" data-end=\"194\" \/>2x SWP25 separate handle;<br data-start=\"219\" data-end=\"222\" \/>1x Foot pedal;<br data-start=\"241\" data-end=\"244\" \/>2x M3*2 screws;<br data-start=\"262\" data-end=\"265\" \/>1x 1.5 mm hex screwdriver;<br data-start=\"298\" data-end=\"301\" \/>6x M6\u00d78 screws;<br data-start=\"319\" data-end=\"322\" \/>1x 4.0 mm Phillips screwdriver;<br data-start=\"353\" data-end=\"356\" \/>2x 10 mm hex open-end wrench;<br data-start=\"399\" data-end=\"402\" \/>1x WP30 integrated handle;<br data-start=\"429\" data-end=\"432\" \/>2x 500 mm 25 mm\u00b2 copper wire;<br data-start=\"464\" data-end=\"467\" \/>4x 3 \u00d7 35 mm welding tips;<br data-start=\"501\" data-end=\"504\" \/>1x Audio cable;<br data-start=\"528\" data-end=\"531\" \/>1x 2.0 mm hex screwdriver.<\/p>\n<p data-start=\"56\" data-end=\"156\">","protected":false},"excerpt":{"rendered":"<p><span style=\"color: #333333;\">Powerful, reliable and versatile spot welder for professional and amateur lithium battery pack assembly.<\/span><\/p>\n<p><span style=\"font-size: 90%; color: #333333;\"><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1806\" src=\"https:\/\/1dronas.lt\/wp-content\/uploads\/2021\/05\/delivery-icon.png.webp\" alt=\"\" width=\"24\" height=\"24\" srcset=\"https:\/\/1dronas.lt\/wp-content\/uploads\/2021\/05\/delivery-icon.png 35w, https:\/\/1dronas.lt\/wp-content\/uploads\/2021\/05\/delivery-icon-12x12.png 12w\" sizes=\"auto, (max-width: 24px) 100vw, 24px\" \/>\u00a0 1 \u2013 2 days<\/strong><\/span><\/p>","protected":false},"featured_media":17241,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[892],"product_cat":[679],"product_tag":[893,1207,1208],"class_list":{"0":"post-17239","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-sequre","7":"product_cat-irankiai","8":"product_tag-sequre","9":"product_tag-sq-sw3","10":"product_tag-suvirinimo-aparatas","12":"first","13":"instock","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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