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MiPow Power Tube Green 4000 mAh Portable Battery SP4000-GN

  • Apple iPhone 4S / Apple iPhone 4 / Apple iPhone 3GS / Apple iPod / other mobile devices which support 5V / 1A input (by USB cable)
  • Lithium Polymer
  • 5 Volt
  • 1 A
  • Cycle Life: 500 times DC Charging
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MiPow Power Tube 4000 is a unique all-in-one portable charger for your iPod, iPhone and more. With a built-in Apple 30-pin connector, you can easily charge your iPhone or iPod any time. An extra built-in female USB output enables this portable charger to charge most other USB devices with the original USB charging cable. Power Tube 4000 can charge two devices at the same time. The built-in male USB input dock provides convenient use - simply connect it to any powered USB equipment. Power Tube 4000 also comes with a four color LED indicator, displaying re-charging status and remaining power. In addition, Power Tube 4000 is available in ten vivid anodized aluminum colors for you to choose from and a velvet pouch is included for easy carrying.

Model # SP4000-GN is green.

  • newegg Charge two devices at the same time A built-in Apple 30-pin connector is ready to directly charge iPod and iPhone, an extra female USB output is designed to ensure its compatibility with most devices via the original charging cable. This means you can charge two of your mobile devices at the same, or you can always choose to use the original cable of your mobile device to charge instead of using the built-in connector.
  • newegg Convenient to use The built-in male USB input dock provides the convenience of recharging by simply connecting it to any powered USB equipment. No bulk cables are needed for charging and re-charging.
  • newegg Battery level indicator and re-charging status indicator A simple press of the on/off button on top will tell you how much juice is left in the Power Tube: red means below 15%, orange means 15%-40%, green means 40-70% and blue means 70% up. The same indicator lights also function as re-charging status indicator. When the blue LED light remains on (stops blinking), it means the Power Tube is fully re-charged.

Learn more about the MiPow SP4000-GN


Power Tube
Portable Battery


Compatible Phone Manufacturer
Compatible Phone Model
Apple iPhone 4S / Apple iPhone 4 / Apple iPhone 3GS / Apple iPod / other mobile devices which support 5V / 1A input (by USB cable)


4000 mAh
Lithium Polymer
5 Volt
1 A
Cycle Life: 500 times

DC Charging Time: 5 - 6 hours


Aluminum casing

All-in-one design with Apple 30-pin connector (for charging) and male USB connector (for recharging)

Directly charge iPod, iPhone and to re-charge Power Tube 3000, no extra cables are needed, convenient to use.

Extra USB female output supports charging to most other devices with its original charging cable, including iPhone 5. A Micro USB cable is included to ensure its compatibility to Android, RIM/Blackberry, Windows Phones and most Micro USB powered devices.

Support charging to two devices at the same time

Battery level indicator and re-charging status indicator


4.27" x 1.2" x 0.84"

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the MiPow SP4000-GN

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