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10-Pack High-Current 21700 Battery Holder for PCB Mount, 40A Continuous / 140A+ Peak, Ultra-Low 0.87mΩ Red Copper Nickel-Plated Contacts, Supports 3S, 4S, 5S DIY Power Packs for EV, RC & Power Tools in Saudi Arabia 10-Pack High-Current 21700 Battery Holder for PCB Mount, 40A Continuous / 140A+ Peak, Ultra-Low 0.87mΩ Red Copper Nickel-Plated Contacts, Supports 3S, 4S, 5S DIY Power Packs for EV, RC & Power Tools in Saudi Arabia 10-Pack High-Current 21700 Battery Holder for PCB Mount, 40A Continuous / 140A+ Peak, Ultra-Low 0.87mΩ Red Copper Nickel-Plated Contacts, Supports 3S, 4S, 5S DIY Power Packs for EV, RC & Power Tools in Saudi Arabia 10-Pack High-Current 21700 Battery Holder for PCB Mount, 40A Continuous / 140A+ Peak, Ultra-Low 0.87mΩ Red Copper Nickel-Plated Contacts, Supports 3S, 4S, 5S DIY Power Packs for EV, RC & Power Tools in Saudi Arabia 10-Pack High-Current 21700 Battery Holder for PCB Mount, 40A Continuous / 140A+ Peak, Ultra-Low 0.87mΩ Red Copper Nickel-Plated Contacts, Supports 3S, 4S, 5S DIY Power Packs for EV, RC & Power Tools in Saudi Arabia 10-Pack High-Current 21700 Battery Holder for PCB Mount, 40A Continuous / 140A+ Peak, Ultra-Low 0.87mΩ Red Copper Nickel-Plated Contacts, Supports 3S, 4S, 5S DIY Power Packs for EV, RC & Power Tools in Saudi Arabia

10-Pack High-Current 21700 Battery Holder for PCB Mount, 40A Continuous / 140A+ Peak, Ultra-Low 0.87mΩ Red Copper Nickel-Plated Contacts, Supports 3S, 4S, 5S DIY Power Packs for EV, RC & Power Tools

SAR 120
– 1 +

Special Features

  • 【Ultra-Low Resistance for Cooler, More Efficient Power】Built with premium nickel-plated red copper (pure copper) contacts, this holder achieves an ultra-low ~0.87mΩ current path resistance, significantly reducing voltage drop and heat generation compared to standard steel holders. The result is cooler operation, higher efficiency, and more stable output, especially under high current loads.
  • 【Supports 3S / 4S / 5S DIY Battery Configurations】Designed for flexible system design, this 10-pack battery holder is ideal for 3S (≈12V), 4S (14.8V), and 5S (18–21V) battery architectures. Common applications include solar storage modules, RC balance charging systems, and high-power tool battery packs, with series/parallel configurations defined by your PCB layout.
  • 【40A Continuous / 140A+ Short-Duration Peak Capability】Engineered for demanding power applications, each holder supports up to 40A continuous discharge and 140A+ short-duration peak current (system-dependent). Suitable for EV sub-modules, motor-driven systems, and high-current jump starter designs, where stable, low-loss connections are critical.
  • 【Hybrid Reinforced Contact Design – High Conductivity Meets Durability】To overcome the softness of pure copper, the contacts integrate a hidden high-tensile spring steel reinforcement core. This hybrid structure maintains consistent contact pressure, resists fatigue, and helps prevent arcing or micro-movement under thermal stress and vibration.
  • 【Standard Flat-Top 21700 Fit & PCB-Friendly Design】⚠ Compatible with standard flat-top 21700 lithium batteries only (max length ≤70mm, diameter ≤21.5mm). Features a flame-retardant PC+ABS frame, 1.5mm solderable through-hole PCB pins, and an included fabric pull tab for safe and convenient battery removal in compact layouts.

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