Shaping Mode:Plastic Injection Mould Product Material:Steel Product:injection molding Mould material:45# 50# P20 718 2738 NAK80 S136 Mould lif0shots Cavity:Multi Cavity Runner:Hot Runner Cold Runner Product Name:injection moulds for household appliance, electronic parts We are looking to make a laptop style battery The unit would need to be rain proof and click on off for a replacement battery pack. If we provided exact drawings how much approximately would this cost?