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the bottom of the sticker. These fake stickers on the bottom of the adapter origin marked as "Astec Shenzhen, China manufacturing," although the text on the stickers printed with the real thing, like a very clear, but the fake text was pure white, while the real thing is white, and therefore looks dim some, this is particularly evident in the vicinity of bar code (Figure 4). Open in new window D, the difference between the power cord socket. Parts of the power cord plug adapter, so there are obvious differences between fake. Authenticity was the box-shaped socket plastic around the material and color and other parts of the shell is consistent, while the fake is a very big difference (Figure 5), the piece of plastic around the fake obvious because there burr left by poor workmanship. Open in new window E, the gap between the upper and lower lid. Genuine cover the gap between the upper and lower adapter is very small, hand-convex along the gap has the feeling of touch, while the gap to a large number of fake, do not touch the protruding gap at the feeling (Figure 6). Open in new window F, the other parts. Authenticity in the DC output line connected to the adapter at the very close and very smooth, while the fake obvious gaps, and some rubber spikes (Fig. 7). G, weight. Because the internal circuit components used cutting corners, so the weight of fake adapter is more lighter than the real thing. It is measured, the real thing weighs about 284 ~ 287 grams, while the fakes in the 272 to 275 grams, a difference of more than ten grams with the real thing (are pulling all the weight measured after the AC power cord.) As long as we carefully compared by the above method, identification is entirely the false "Black Whirlwind" Li Gui brought to justice for. As profitable, so the market is flooded with a lot of fake THINKPAD laptop power supply, the power of these fake products are usually also business as "OEM version", "assembly" "compatible" power of the name, used to deceive consumers, fake after all is a fake. Fake laptop power supply circuit in the exterior and interior cut corners, rough work, compared with the T original power supply is quite different, the following people to take a look at How to Tell THINKPAD laptop power it: laptop ac adapter Acer laptop ac adapter Dell laptop ac adapter Hp laptop ac adapter Toshiba laptop ac adapter
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