• Specification: Input Voltage (4 X AA Batteries), Cable length (6 inches), Dimensions (5.0 X 1.5 X 0.75 inches), Circuit Design (Sony Walkman NWZ-S638F specific), TipExchange enabled (Yes)

  • Integrated circuitry regulates output voltage specific to the Sony Walkman NWZ-S638F. Advanced logic maximizes overall charger efficiency.

  • Built using the unique Gomadic TipExchange Technology that protects your investment by providing the ability to upgrade charging ports by simply swapping physical connectors.

  • This Gomadic Battery Pack can be reused forever by simply inserting fresh batteries, providing instant power on demand.

  • A must have accessory for the frequent traveler, camper or heavy Sony Walkman NWZ-S638F user.

  • There are always times when our Sony Walkman NWZ-S638F seems to run out of power at the most inopportune times. Without a conventional charging source in sight, we are often left with no recourse other than to let the battery run out. Enter the Gomadic Portable Emergency AA Battery Charger for the Sony Walkman NWZ-S638F. Simply insert a fresh set of batteries into the battery pack, toggle the on/off switch and connect your Sony Walkman NWZ-S638F. Instantly the device will start to charge and you will be up and running again. Backed by our Gomadic Lifetime Warranty and over 10 years of innovation in charging accessories, we think you will find this to be one of your favorite accessories!

    Gomadic Portable AA Battery Pack for the Sony Walkman NWZ-S638F - Powered by 4 X AA Batteries to provide Emergency charge. Built using TipExchange Technology - B001NG3JXA

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    Gomadic Portable AA Battery Pack for the Sony Walkman NWZ-S638F - Powered by 4 X AA Batteries to provide Emergency charge. Built using TipExchange Technology - B001NG3JXA

    • Product Code: B001NG3JXA
    • Availability: In Stock
    • $119.96
    • $113.78