Molex 212132 Series 2121320003 Battery Wiring Harness

• MOLEX 2121320003 Standard Connector

  Adopts original MOLEX 2121320003 connector with a precise 1.0mm pitch. The compact, low-profile design is ideal for slim lithium battery modules, with a secure locking mechanism to prevent accidental disconnections caused by vibration or movement.
• Ultra-Fine 1.0mm Pitch for Compact Battery Design

  The 1.0mm ultra-fine pitch connector and thin-gauge wire allow for high-density wiring, making it perfect for small lithium battery packs, wearable devices, and slim electronics where space is at a premium. It minimizes the footprint of internal battery connections.
• Stable & Safe Lithium Battery Power Transmission

  Constructed with high-purity copper conductors, this wire ensures low resistance and stable current flow, meeting the charging and discharging requirements of lithium batteries. It prevents voltage drop, overheating, and poor contact, ensuring safe and reliable battery operation.
• Durable & Vibration-Resistant Construction

  The flexible, flame-retardant insulation jacket offers excellent protection against heat, wear, and aging. Reinforced strain relief at the connector ends prevents wire breakage, improving the harness’s durability and resistance to repeated bending and vibration.
• Versatile Compatibility for Lithium Battery Applications

  Widely used in lithium-ion battery packs, smart home devices, wearable electronics, portable power banks, and small home appliances. Supports custom wire lengths, gauges, and single/double-ended configurations to meet OEM and aftermarket assembly needs.

Whether you’re assembling new lithium battery packs, repairing portable electronics, or designing compact devices, this MOLEX 2121320003 1.0mm pitch terminal wire offers a reliable, space-saving, and high-performance solution for your battery connection needs.