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Core Electronics > Retired

Masterkey Portable Battery Pack (4200 mAh)

SKU: FIT0132

$50.12 AUD, inc GST
$45.56 AUD, exc GST

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Masterkey Portable Battery Pack (4200 mAh)

SKU: FIT0132

$50.12 AUD, inc GST
$45.56 AUD, exc GST


  • $6.95 Standard (2-4 days, tracked)
  • $8.95 Express (Overnight*, tracked)
  • $3 Economy Post* (3-7 days, no tracking)
  • FREE Pickup (Newcastle only)

Shipping costs may increase for heavy products or large orders.

Exact shipping can be calculated on the view cart page.

*Conditions apply, see shipping tab below.

This product has been retired and kept here for reference.


The Masterkey battery pack provides 8-9 charges of instant back-up power to many devices and with the included tips for your BlackBerry, Sony PSP, and other mini USB powered devices. Never be without power. Charge your portable device, recharge the PowerPort and your ready to go again. 

It also provides a good power source for your robot/Arduino project. Simply plug usb cable to your Arduino and it will power it for more than 10 hours. (Subject to Arduino Components Power consumption)

Device is smaller, lighter, and thinner than the iPhone 3G, and very portable. Slim and pocket sized, Ideal as emergency battery. because it's a Lithium-Ion rechargeable battery and holds charges longer. Rechargeable up to 500 times, and can be recharged via your USB power. 

A voltage indicator gives you the battery level at any time with a single click. 


  • Output voltage:4200 mAh, [email protected]
  • Charing voltage:5V @0.7A
  • Lithium-Ion Battery
  • Efficency:90%
  • Rohs/CE/FCC certificated
  • Over charging protection
  • Short circuit protection
  • Battery charging protection
  • Size:101mmx60mmx13mm

Shipping List

  • Masterkey Power Unit (1 unit)
  • Charging USB cable (1 unit)
  • Mini USB cable (1 unit)

This product is listed in:

Documentation and Resources:
  • The Maker Revolution
  • The Maker Revolution celebrates the creation of new devices and the modification of existing ones - the transition from a consumer buying goods to eventually having a major part in their creation. The Maker Revolution places strong emphasis on free (...

Product Comments

Exact shipping can be calculated on the view cart page (no login required).

We deliver Australia-wide with these options:

  • $3 for Small Items (3-7 days, not tracked, only available on selected small items)
  • $6.95 for Standard Post (2-4 days, tracked)
  • $8.95 for Express Post (Overnight for Australia Post Next Day Network, tracked)
  • Pickup - Free! Only available to customers who live in the Newcastle region (only after we email you to notify your order is ready)

International Orders - the following rates are for New Zealand and will vary for other countries:

  • $11.49 for Pack and Track (3+ days, tracked)
  • $16.50 for Express International (2-5 days, tracked)

If you order lots of gear, the postage amount might increment based on the weight of your order.

Our physical address (here's a PDF which includes other key business details):

Unit 18, 132 Garden Grove Parade
NSW, 2289

Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.

Have a product question? We're here to help!