MD-MND10000 Manual Battery Pack Welding Machine The MD-MND10000 is a 10000A inverter spot welding machine built for high quality lithium battery pack assembly. It is suitable for heavy duty battery packs welding, such as E-bus, energy storage container and heavy duty battery packs. The induction load voltage feedback mode keeps the welding voltage constant, so every spot is consistent and reliable. Key Features Constant voltage feedback control - induction load voltage