The Nickel Strip Plated 18650 4P (0.15mm, 7cfe) is a premium nickel-plated strip designed for assembling 18650 lithium-ion battery packs. Suitable for connecting four cells in parallel, it provides efficient current flow, low resistance, and secure welding. Its precise 0.15mm thickness ensures strong conductivity while reducing heat generation, making it ideal for DIY battery packs, e-bikes, power tools, and other high-current applications.