INSULATION RING - 18650(-) 4P RING - Yati Infotech Solution, M3, 0.5 Sqmm

INSULATION RING - 18650(-) 4P RING - Yati Infotech Solution is a precision-engineered insulating gasket designed for 18650 lithium-ion battery cells configured in a 4P (four cells in parallel) arrangement. It is installed on the negative (–) terminal to ensure effective electrical insulation and enhanced safety during battery pack assembly. This insulation ring helps prevent short circuits by isolating the negative terminal from nickel strips, bus bars, and other conductive components. Manufactured from high-quality, heat-resistant insulating material, it can withstand spot-welding heat and high-current operation, making it ideal for demanding battery applications. Designed for a precise fit on 18650 cells, the ring is lightweight, easy to install, and remains securely in place, making it an essential safety accessory for professional and DIY lithium-ion battery pack builders.