Charging the iPhone 3G when staying in Guam

Using a USB 30 pin Apple cable and a two pinned Type A power charger to charge the iPhone 3G from a Guamanian power outlet and charging the iPhone 3G using a three pin Type B USB plug.

Guamanian power outlet

Varying different combinations of region codes and sockets can often lead to confusion when planning on travelling to another country, especially to the first time traveller. This page has been specifically written to assist people wanting to charge the iPhone 3G abroad.This step by step guide shows you exactly how to supply power to your iPhone 3G when travelling to Guam using their standard types B or A 110 volt 60Hz plug outlets. If your iPhone 3G charges slowly or does not power up when you are visiting Guam from a different region then check that it is compatible with a 110 volt power supply. Normally devices which come from a different country which use a higher voltage such as 220 volts sometimes take longer to charge or won't turn on, so check that your device is a dual voltage device (you'll find these are normally indicated by 100-240 volts) otherwise you may need to use an additional power converter to ensure proper use. These instructions assume you are running Apple iOS 4 or greater on the iPhone 3G.

Charging the iPhone 3G in Guam

Can you use the iPhone 3G in Guam?

Yes, you can connect the iPhone 3G to a Guamanian power outlet by using the correct power adaptor.

What is the best power charger for recharging the iPhone 3G in Guam?

When travelling with more than your iPhone 3G the best travel power adapter for Guam is a multiple USB port adapter which includes swappable plugs like a 4 port USB travel charger. Guamanians use two different standards of wall outlets (types B and A) and using a power charger like this will ensure that you are covered for type A.

Because these chargers come with interchangeable pins and handle from 100 volts - 240 volts will mean you can travel to over 100 countries around the world just by switching the heads over. If your iPhone 3G can support Fast Charge then you'll benefit from faster recharging times with one of these USB travel chargers, along with support for more power hungry devices. Unlike other travel adapters this means you can recharge multiple devices at once without needing to buy multiple power chargers or occupying additional wall sockets. By only needing a single lightweight travel charger will keep the overall size down, making it perfect to fold up in hand baggage while travelling and on hand for recharging your iPhone 3G at the airport or on a plane. Due to their versatility these types of travel adapters can be used back at home so when you're not on holiday they can sit overnight charging multiple tablets, smartphones and e-readers and using only a single power outlet.

For those travelling on a regular basis we suggest buying this type of versatile travel charger at your preferred electronics retailer - the multipurpose power adapter illustrated below is the 4 Port USB Wall Charger which has been successfully tested for charging multiple USB devices in numerous countries with good reliably.

Alternative travel adapter for Guam

The 4 port USB travel charger is the most compact option for travellers from around the world wanting to recharge devices via USB, however for those also wanting to use their domestic plugs these power adapters provide larger but more versatile solutions. All three power strips offer surge protection which can be necessary for travellers to regions with unreliable or unstable power supplies to prevent damage to any connected devices. These travel converters come supplied with interchangeable type C, I and G plugs covering Europe, North America, Australia, United Kingdom, Japan, China and over 150 countries around the world:

  • BESTEK Portable International Travel Voltage Converter - The BESTEK international travel converter has 4 USB charging ports with 3 AC power outlets and is the best selling portable option for travellers originating from America visiting Guam using 3 pinned type B plug sockets.
  • ORICO Traveling Outlet Surge Protector Power Strip - Similarly having 4 USB ports but only 2 AC power outlets the travel adapter from Orico is also aimed at travellers originating from the US using type B plugs and is a much cheaper alternative to the BESTEK with 1 less AC outlet at almost half price.
  • BESTEK International USB Travel Power Strip - This power strip has just 2 AC outlets but offers 5 USB charging ports. This versatile power strip is compatible with both American plugs and popular plug types A, D,E/F, G, H, I, L and N making it ideal for most travellers from around the world visiting Guam. [8] [AD]
What is the best power charger for recharging the iPhone 3G in Guam?

How to use a Type A power charger for recharging your iPhone 3G from a Guamanian power outlet

Using the USB 30 pin Apple cable with a two pin Type A USB charger to recharge the iPhone 3G from a Guamanian power outlet.

  1. If you want to charge your iPhone 3G using the Guamanian power outlet you'll need a Type A USB power adapter [4] and a USB to Apple 30 pin cable [5], usually included with the iPhone 3G.
  2. First plug in the Type A USB power adapter in the power supply. The power supply (known as the Type A power outlet [3]) can be recognised by two adjacent slots where the twin pins go.
  3. Then connect one end of the Apple cord into the bottom of the USB mains charger and the other end into the dock connector on the iPhone 3G. The iPhone 3G dock connector can be found at bottom of the iPhone 3G.
  4. Turn on the Guamanian power outlet.
  5. The battery icon which appears in the top right hand corner of your cellphone will display a charge icon to indicate that the phone is recharging taking around 1 - 4 hours to completely recharge to full capacity.
How to use a Type A power charger for recharging your iPhone 3G from a Guamanian power outlet

How to use a Type B power charger for recharging your iPhone 3G from a Guamanian power outlet

Using the USB 30-pin Apple connector with a Type B USB adapter to power the iPhone 3G with a Guamanian power outlet.

  1. In order to charge the iPhone 3G using the Guamanian power outlet you will need a Type B USB power adapter [7] and a USB to Apple 30 pin cable [5], the USB cable is usually included with the iPhone 3G.
  2. Plug the Type B USB power adapter in the power outlet. The plug supply (known as the Type B power outlet [6]) can be recognised by the two slots parallel to each other for live and neutral blades with a single semicircular hole below for the long earth pin.
  3. Plug in one end of the cable into the USB mains adapter and the other end into the dock connector on the iPhone 3G. The iPhone 3G dock connector can be found at bottom of the iPhone 3G.
  4. Switch on the Guamanian power outlet.
  5. The battery icon which you'll find in the top right hand corner of your phone will display a charging icon to indicate that the phone is powering up and takes roughly one to four hours to fully recharge.
How to use a Type B power charger for recharging your iPhone 3G from a Guamanian power outlet

See also

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  1. Wikipedia - Guam Wikipedia web page
  2. Apple - official iPhone 3G user guide
  3. iec.ch - Type A power outlet
  4. Type A USB power adapter - An unearthed Type A USB charger has 2 parallel rectangular flat blades with small holes near the tip of each blade, estimated price £1-£2.
  5. USB to Apple 30 pin cable - This connects compatible iPhones, iPods and iPads to a USB port for charging, syncing and playing music, £5-£10.
  6. iec.ch - Type B power outlet
  7. Type B USB power adapter - 3 pinned Type B USB chargers have a single unearthed round pin along with 2 shorter parallel rectangular flat blades with small holes in the end of each blade, estimated price around £15.
  8. 4 Port USB Wall Charger - A universal USB charger capable of charging up to 4 USB devices with swappable international adapters, estimated cost under £15.