12V Portable Mini DIY Battery Energy Storage Spot Welder Pen PCB Circuit Board

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Product Features<br>Lightweight and portable, stable and reliable, wear-resistant, and can provides long service time.<br>Through the MOS tube output, this energy will be concentrated at the end of the welding pen, and it will be heated by a short circuit.<br>Fuse the nickel sheet firmly with the battery.<br>And it is precisely controlled by the single-chip microcomputer program without a trigger switch.<br>Adopt screw fix, more stable, and more reliable.<br>The welding current approx. 90-130A, which is more than enough to welding a common 0.1mm-0.12mm nickel plate.<br>Upgraded to automatically triggered design, do not need to press the button for a long time anymore, completely frees your hands.<br>Note<br>Power supply requirements:<br>It is forbidden to use the power supply of the farad capacitor, and it is forbidden to use the lead-acid battery or lithium battery pack of 60A or above.<br>System voltage: 12V-14.6V (capacity X rate = must be greater than 150A)<br>Current requirements: 150A or more instantaneous output (such as car starter power supply, 3S RC high-power battery pack, 20A lead-acid battery with good performance above 20A)<br>Misunderstanding: Don't think that you can use 3 series 18650 series to supply power. After all, the conventional 18650 only has a 3-5C discharge rate, so each section can only provide<br>2.5A*3=7.5A load capacity, which is far from 150A unless 20 Parallel connection, 3 series, and 60 sections of 18650 are possible, but it is obviously unrealistic.<br>The battery pack that can start the car can basically meet the power supply requirements of this circuit.<br>The following battery packs can be used as working power:<br>1. 12V car starter power supply<br>2. Model 3S high rate battery pack<br>3. 3 string high rate lithium battery pack<br>4. Hitachi 40900 3-string battery pack<br>5. 12V 20A and above lead-acid battery with good performance<br>Switch function: press switch for 1.5 seconds to turn on (green light flash, output low power spot welding pulse every 3 seconds), press switch for 1.5 seconds (blue light flash, output medium power spot welding pulse every 3 seconds), press switch 1.5 Seconds (red light flash, high power spot welding pulse output every 3 seconds) Press the switch for 1.5 seconds to shut down.<br>Product Specification<br>Type<br>Circuit Board<br>Package Included<br>1 X Main Circuit Board<br>1 X Buzzer<br>2 X 10AWG Input Wire<br>2 X 10AWG Output Wire (with 2 Soldering Pens)<br>Location Description<br>In order to improve buyer's purchasing experience and let the buyer receive items as soon as possible, we currently set three warehouses in diffirent cities of United States : one in Fremont, California; one in CITY OF INDUSTRY, California; one in Whippany, New Jersey.<br>When the order is generated, we would send the item to the buyer from the nearest warehouse with sufficient inventory to the order receiving address. Hope you could get your item soon,if you have any problem,please contact us by email. Thanks for your understanding and support in advance!<br>On Jul-14-21 at 08:24:07 PDT, seller added the following information:<br>