Hi. Were you reading my mind or something? I've been thinking whether or not I could use an old MacBook charger with a MacBook air if I was to go about purchasing one. Thanks! a! lot! for posting.
On 2011-09-30, at 11:09 AM, Hai Nguyen Ly wrote: > > http://www.macobserver.com/tmo/article/it_is_safe_to_use_a_higher_wattage_power_adapter_with_a_lower_wattage_mac/?utm_source=macobserver&utm_medium=rss&utm_campaign=rss_everything > > MagSafe Power Adapters Are Safe with All Mac Laptops > > After years of speculation, user reports, and conflicting information, we > have discovered official confirmation from Apple that it is safe to use any > wattage MagSafe power adapter with any MagSafe-equipped laptop. > > > This 65-watt MagSafe Power Adapter can be used on a 45-watt MacBook Air > without issue. > > As discussed on Mac Geek Gab 355, while it may be “safe” to do so, it’s worth > noting that it may not always be effective. A higher wattage adapter will > charge a lower-wattage computer just fine (for example, an 85-watt 15-inch > MacBook Pro adapter used on a 45-watt MacBook Air) but a lower wattage > adapter may not charge a higher wattage laptop (a 45-watt MacBook Air adapter > connected to an 85-watt 15-inch MacBook Pro). In the former situation, the > computer will charge, but will not charge any faster than if the stock > adapter is used. In the latter situation, the adapter will not charge the > machine at all while in use, and will only trickle-charge the machine while > asleep. > > All of this information and more is available in article HT2346 over at > Apple’s Support Page. > > > > > > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/macvisionaries?hl=en. -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/macvisionaries?hl=en.
