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  • $17.29
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  • Ships from China.
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    10cm Laptop DC Power Converter Cable, 1st Gen Big Square Male to 7.9×5.5mm Female Charging Adapter Cord

    • Special conversion structure: 1st generation large square male plug converts power to universal 7.9×5.5mm barrel female jack
    • Compact 10cm short length, eliminates tangled redundant cables and saves limited space behind notebooks
    • Thick high-purity copper wire core reduces transmission resistance, maintains stable power with minimal voltage drop
    • Reinforced strain relief at two connector roots, effectively prevents wire cracking from frequent plugging and bending
    • Flame-retardant insulated outer shell with full safety protection, suitable for long-term daily laptop power supply
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    This 10-centimeter short DC adapter cable features 1st gen big square male input and standard 7.9×5.5mm female output. It enables users to share the original big square laptop power brick with devices adopting 7.9×5.5mm DC male connectors, avoiding the cost of purchasing multiple independent power adapters.

    Low-resistance internal wiring delivers steady current without power fluctuation under continuous charging load. Flexible scratch-resistant outer insulation resists aging and abrasion for daily indoor use. Thickened plastic reinforcement at cable joints protects wires from damage caused by repeated pulling and twisting.

    Plug-and-play design requires no extra wiring or modification. Lightweight and easy to store in backpacks, it is an economical backup power matching accessory for home, office and short business trips.

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