Typical costs:

• PC laptop manufacturers typically sell parts like AC adapters to replace lost, stolen or broken models. Generally, power adapters sold through the manufacturer cost about $20-$50.
• Laptop power adapter kits that work with most PC models cost $50-$100l. Unlike the ones made by the manufacturers, many come with an assortment of attachments that fit a variety of PC power ports. For example, RocketFish[1] makes a variety of power adapters that cost $50-$80.
• Apple laptop power adapters[2] cost $79. Apple power adapters[3] for iPhones, iPads and iPods cost $19.
• Power adapters for Android and Windows phones and tablets are available through the manufacturers, typically for $20-$60. For example, Samsung sells phone chargers[4] for $35-$50.

What should be included:

• The power adapter should come with a connection that allows it to charge electronic devices from the wall outlet.

Discounts:

• Apple is offering $10 rebates on chargers following an accident in China.
• Power adapters not made by the manufacturer are generally available for $10-$20 less than those made by the manufacturer, but can be prone to problems.

Shopping for a power adapter:

• A laptop power adapter buying guide[5] is posted on eBay.