After a laptop is discarded, often its power adapter is still intact. However, because they have become useless, most people don't keep them any more. We made some modifications to the adapter, so that it will have multiple USB outlets for mobile phones, mobile power bank, tablet PCs and other devices to charge. USB outlets on laptops usually have enough power to supply up to 8 mobile devices simultaneously. Thus, laptop power adaptors could be re-used in our daily life to continue to serve. In this way, we can reach the goal of re-using wasted electronic products.

Step 1: Material preparation


(1) laptop power adapter, advertised power of 90W, output voltage 19V

(2) 8 sets of voltage converter modules

(3) plexiglass plate

(4) copper pillars/studs, screws, pieces of wire, etc.

About This Instructable



Bio: 徐延康 清华附中 G1302 15810604698 15810604698@139.com 徐延成 清华附中 G1305 15810604685 xuyancheguge@gmail.com
More by 徐延康: 8 Ports USB Charger Made by Old Laptop Power Adapter 用旧笔记本电脑电源改造8口USB充电器
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