DIY Portable Battery Storage Spot Welding Board Welding Equipment Spot Welders for 12V-14.6V Battery

Features Can be welding 18650 26650 32650 lipo battery it is portable stable and reliable System voltage 12V 14 6V Working current 90 200ASuggested Battery 20 45ah Lead acid battery with good performance and small internal resistance 3 5 5 5ah 45C 3S aeromodel lithium battery pack 30 35ah capacity 18650 battery pack This circuit with a 12V battery will become an energy storage spot welding machine for welding nickel pieces such as lithium batteries and nickel chromium batteries According to different configurations the thickness can be about 0 1MM 0 15mmNotice The 18650 battery and DC power cannot be used as a power supply It must have a high rate RC battery or a car battery Power Requirements Spot welding is welded by the principle of rapid local heating and cooling by high current Need sufficient current supply generally 0 1 0 15 nickel plated sheet welding current about 90 150A as the working power of the circuit board must be greater than or equal to 150A The following battery packs can be used as working power 12v car starting power supply 3s high rate battery pack for model airplane three string high rate lithium battery pack Hitachi 40900 3 sting battery pack lead acid battery with good performance above 12v 20A Calculation Formula capacity x discharge rate load capacityTake 3000ma aeromodeling battery as an example the discharger rate is 45C 3 0X45C 135A Button Instructions Description Each time you press the button the power increa