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What should I pay attention to when buying solar street lamps?

Seven misconceptions about purchasing solar energy:

1. The number of leds is equal to the led power: the number of leds does not mean that the led power is the same. The number of led is not the key to the power of solar lamp.

2. Led power is equal to brightness: the brightness of solar energy is determined by the luminous efficiency (that is, lumens per watt). Different types of LED can produce different luminous efficiency (LM/W)

3. Simply judge the charging controller by the current: the charging controller is the quality sequence, and the damage rate is the key to the quality of the charging controller.

4. The size of the solar panel is equal to the power of the solar panel

5. Battery capacity is AH

6. LED chips are expensive

7. The sample of solar street lamp is good, which shows that the quality of solar street lamp is good

The solar lighting system is more complex than LED, and sometimes the effect of sample testing is good, but in large batches of orders, if the quality of the controller and battery is not good, the damage rate of solar street lamps will be very high. The three key points to judge whether the solar lamp is good or bad are brightness (lumen), lighting time at night, cloudy day and life.

Lithium battery is the main material that determines the life of solar lamp.

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