The welding current of ADR-3000 CD spot welding machine can reach 28KA, and its charge and discharge frequency is relatively high, only after the capacitor charge is completed can welding work, discharge is continuous and stable. ADR-3000 energy storage spot welder is a small spot welder integrating controller, capacitor group and other components, with beautiful appearance and high welding accuracy. Agera has different models of energy storage welders from 500J to 40000J, if you are interested, contact us for more details.