DIY Portable Mini Spot Welder Machine Power with Welding Pen for 18650 Battery

DIY Portable Mini Spot Welder Machine Power with Welding Pen for 18650 Battery
sku: 1836062
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$52.99
Shipping from: China
   Description
Features ●Lithium battery protectionThe first generation of this product uses a 50 discharge method to protect the Keng battery The existing second generation products use a charging method of 4 2V instead of 4 25V While preventing full charge it avoids the trouble of recharging and waiting for each use ●Low voltage protectionThe working voltage platform of the power file battery is narrower than that of the common Keng battery This welder adopts the strategy of less than 3 2v protection leaving space for low pressure and guaranteeing safety ●Low power consumption functionLong press to turn on off short press to cycle through 5 gears all operations can be performed quickly and concisely When in the off state thanks to the low power consumption feature it can be standby for up to one year ●Thermal optimizationThis product uses 2 ultra high rate model airplane batteries the discharge peak can reach 630A all high current wiring and the infrared thermal imaging is used to optimize the design to better share the discharge current ●Unique secret short circuit protection of the soldering penPrinciple As shown in the figure a high speed protection system is built in the microcontroller When the welding current is too large the ultra high speed comparator will instantly turn off the output as shown by the red arrow to achieve the purpose of protecting the welding machine ●Under normal circumstances this function module will not triggerOnce the protection is trigge
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