Indonesia and Bali follow a 220-volt (220V) standard, crucial information especially for travelers planning to bring electrical devices. Before deciding which appliances to pack, ensure your devices support the international 220V standard for proper usage in Indonesia and Bali.
Besides voltage, plug types are another consideration. Indonesia commonly uses European-style two-pin sockets. Without the appropriate adapter, many hotel sockets may be unusable.

Source: YouTube Xiaojie Indonesia
Do You Need an Adapter?
You can purchase the necessary adapter at local supermarkets, known as ‘Adaptor’ in Indonesian (pronounced: Ah-da-pu-tour). Alternatively, you can inquire with hotel staff if they provide adapters, but not all hotels do, so it’s best to buy one yourself at a local supermarket to ensure availability. They’re inexpensive, costing around NT$30-40 (approximately USD$1).

Typically, you’ll need at least one adapter plus a 220V-compatible multi-socket extension cord to ensure all your devices can be used in Indonesia and Bali. Remember, when choosing an extension cord, avoid cheap options and opt for trustworthy-looking brands for safer use of all your electrical devices.
How to Prepare USB Chargers?
Most USB chargers (such as those for phones and tablets) that modern travelers carry abroad already support ‘100V-240V wide voltage.’ As long as the input voltage range (Input) marked on the charger includes 220V, it can be used directly in Bali without the need for an additional transformer. Before departure, check the fine print on your charger — if it says ‘Input: 100-240V,’ it’s universally compatible. If it only indicates 110V, you’ll need to replace it.

If you’re preparing a multi-port extension cord like the one shown above, first confirm that it supports the 110~220V range for it to be usable. Second, consider its plug type — those bought in Taiwan typically have two flat pins, so you’ll also need an adapter as mentioned earlier to ensure compatibility in various hotels/villas. Lastly, if your devices support PD or QC fast charging, opt for a corresponding high-power charger to significantly reduce charging time and travel-related anxiety!
Where to Buy a 220V Multi-Port Extension Cord?
If you’re looking for a 220V multi-port extension cord, they might be hard to find in physical stores, but there are plenty of options online. Many e-commerce platforms and online electronics shops offer various 220V multi-port extension cords or extension cords with multiple USB ports. You can easily find products that meet your needs on these platforms.
Can I Bring My Own Hair Dryer or Curling Iron?
Most hotels provide hair dryers for guests, though some may not.
It’s recommended to contact your hotel before departure to confirm whether they provide a hair dryer. If they don’t, or if you prefer to use a specific model or brand, you’ll need to consider the aforementioned solutions, such as purchasing a local 220V hair dryer or using a transformer.
If you bring your own hair dryer, note that those purchased in Taiwan typically only support 110V. Using them in Indonesia and Bali can be problematic, as the standard voltage here is 220V. A 110V hair dryer won’t function properly and may even get damaged due to voltage mismatch.
In such cases, the safest and most convenient solution is to purchase a 220V-compatible hair dryer locally. This ensures it works properly in Indonesia and Bali while avoiding damage from voltage mismatch.

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If you insist on using your own hair dryer or curling iron, you might also consider using a voltage converter or transformer. A transformer can convert 220V to 110V, but it’s crucial to ensure that you use one that provides sufficient wattage (W) and meets safety standards to avoid damaging your appliances or posing a safety risk.
For travelers heading to Indonesia and Bali, understanding these voltage and socket details is essential. Avoid using cheap, unknown chargers, as low-quality products can overheat under 220V, posing safety risks. Prepare the appropriate adapters and multi-socket extension cords to ensure your devices function properly, allowing you to fully enjoy your vacation without worrying about compatibility issues!
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