My friend bought a lithium battery charging desk lamp online, 99 ocean, the appearance is not bad, I told him not to take a look, I feel 99 pits.
Look at the appearance is OK, 3 touch dimming, the base is not easy to remove, so did not remove, afraid of friends yell at me.
The power standard is 5W, the actual brightness is wired, and 5W is definitely a virtual standard.
The charger has a good USB stand, the line is very thick, and it is the same as the routing power port.
5V 0.5A can be replaced by a mobile phone charger.
The lampshade has a diffuser and a cooling hole underneath.
The screws are hidden under two plastic sheets (not sure what to call).
For the semi-snap type design, the light board is a fiberboard. If it is 5W, it is estimated to smoke.
26 LED lamp beads , which are covered with a layer of reflective paper. The caliper card is 28*32. Do you know if there are 2832 lamp beads?
It can be seen from the back that the lamp beads are 26 in parallel.
Finally, the current and voltage were measured at the lamp lead, as follows:
12.3V 24ma
22.55V 80ma
32.93V 175ma
Calculate the highest grade is about 0.5W, mud horse's virtual standard 10 times, what about the exercise? It’s really how bold people are and how productive they are!
20V Desk-top power supply were widely used in digital, LED lighting, stage lighting, security, video game player
and other products, is the most widely used in the electronics industry. Normally, there are 3 different kinds of AC sockets for a
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20V Desktop Switching Power Supply
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