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How to make 300 Lumens equal to 900 Lumens?

March 17, 2011

Do you know the LED rechargeable Torch you buy is safe or unsafe?

We hear all the time that the battery issue keeps happening due to bad design or bad quality. But do you know the difference? While you buy a product at very low price, do you know that you are in the risk and might lose more when something happen to you, such as the battery explosion?

Here are some examples for your reference:

中國製LED手電筒亮度與產品安全的真相

實測900流明LED充電式車燈為何與300流明亮度相當? 
你知道你購買的充電式LED手電筒是安全還是不安全
的產品?
我們常聽到因為電池的設計或電池不良的品質而造成產品
的問題發生。
但你如何知道產品在電池設計優劣的差別呢?
當你購買一個非常便宜的產品時,當中隱含的風險及可能 
造成更大的損失,
例如電池發生爆炸。
以下實際例子供您參考:

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