How to choose LED lamp beads for solar wall lights

With the rapid development of renewable energy, solar wall lights have attracted much attention due to their environmental protection and energy-saving characteristics. As the core component of this product, the selection of LED lamp beads has a crucial impact on the overall performance of solar wall lights. LED lamp beads are not only directly related to the brightness and energy efficiency of the lamp, but also affect its service life. Therefore, in-depth understanding of the type, brightness, lumen value and color temperature selection of LED lamp beads can help users make more informed purchasing decisions.

Types of LED lamp beads
LED lamp beads are mainly divided into two types: surface mount devices (SMD) and chip-scale packaging (COB).
SMD LED: SMD LED is a miniaturized surface mount LED with advantages such as small size, low heat generation and high brightness. Its design enables multiple LED lamp beads to be highly integrated to form stronger light output and uniform light distribution. Therefore, SMD LED is widely used in a variety of solar wall lights, especially in occasions with high requirements for brightness and irradiation range.
COB LED: COB LED forms a single light source by encapsulating multiple LED chips on the same substrate. This design makes COB LED excellent in light efficiency and heat dissipation performance, suitable for high-power solar wall lights. Although COB LEDs are relatively expensive to produce, their superior performance and longer lifespan make them ideal for the high-end market.

Brightness and Lumen Value
The brightness of LED lamp beads is usually measured in lumens (lm), and the higher the lumen value, the brighter the lamp. When choosing the right LED lamp beads, you need to consider a number of factors:
Application scenarios: Different environments have different requirements for brightness. For example, areas such as courtyards and corridors usually require higher brightness (300-800 lumens), while lamps used for decoration or creating atmosphere can choose lamp beads with lower brightness (50-200 lumens).
Lighting time: The working time of solar wall lights is affected by battery capacity and lighting conditions. When choosing LED lamp beads, it is important to ensure that their brightness matches the energy output of the battery to avoid rapid battery depletion due to excessive brightness.

Color temperature selection
The color temperature of LED lamp beads has an important impact on the lighting effect and environmental atmosphere, and is usually expressed in Kelvin (K). Common color temperatures range from 3000K (warm light) to 6000K (cold light).
Warm light (3000K-4000K): suitable for creating a warm and comfortable environment, often used in home courtyards, leisure areas and other places, can effectively enhance the affinity and comfort of the space.
Cold light (5000K-6000K): provides bright and clear lighting effects, suitable for areas with high security requirements, such as walkways and entrances, can enhance visibility and sense of security.
When choosing a color temperature, you need to consider the usage scenario and personal preferences to ensure that the lamp can meet specific lighting needs.