LED Lamps for Flashlights: Bulk Availability and OEM Control

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When entering the LED flashlight market, addressing common consumer complaints about existing products is crucial. While batteries, power supplies, and plastic cases can be sourced in bulk, the availability of LED lamps varies. Some LED lamps are widely accessible from spare parts suppliers, while others may be proprietary and tightly controlled by manufacturers. This can limit options for new businesses that lack expertise in producing high-quality LEDs. Understanding the supply chain for LED components is essential for successfully developing a competitive flashlight product.
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suppose you want to go into business making LED flashlights. Let's say Amazon reviews of existing flashlights say that some are flimsy, others have overly specialized lamp, yet others have small battery etc. So, let's say, you decide to manufacture your own flashlight that would solve these various problems.

I understand that the batteries, the power supply and the plastic case are commodity products and are available in bulk. Now, how about the LED lamp itself? Are various such lamps also widely available from various spare parts suppliers or are they manufactured under tight control of the company that makes the flashlight and so would be unavailable to other manufacturers who don't know how to make quality LEDs for this application?
 
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