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Need a circuit for a smart LED lamp

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Hello! I would like to know from you a diagram of what details are needed for a smart LED lamp with a battery, which, when the network is disconnected, lights up, when it is disconnected, it charges! Thanks!
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NiCd is not very suitable for emergency lighting due to the memory effect.
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And with the DPA 5030 (for 2148rub) you can compete. LEDs are outdated (color 6000K), only for backlighting. The NiCd battery (1A * h) is weak. The algorithm is non-replaceable.
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I am talking about the lamp DPA 5030-3.
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I looked at Google, there seems to be a choice. But with its conditions and Service (for your money).
And if you determine YOUR TK under the light bulb on the LEDs, then maybe it will turn out competitively. It seems to me - it is necessary to lay in the TK the form of a low-voltage (isolated) lamp with a GU5.3 cap (60 rubles). And there is already what kind of base is needed (through the driver) from 230v. Power supply (emergency) from the 18650 battery ...
It is necessary to determine in TK - sk. lumen, sk. offline time, etc.
+3
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At my place, such lamps are used by dozens. Their lifespan is a separate song. There is one more nuance :). Turn it on, it lights up. You pull it out of the network - it shines, as it should. And to turn it off for transportation, you need to open, disconnect and reconnect the battery. That trouble still.
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buy it will be cheaper
I ordered 2 emergency lighting fixtures for suppliers, they didn’t buy for a long time, but before the arrival of the commission they brought 12 pcs at once !!! Gave 2 pcs.comrades, one comrade hung in the hallway - after half a year, the battery died, another charged weekly for fishing, discharged there - it still works! I asked a seller from a friend, received an answer: "What did you want when buying goods at a price less than the cost of a decent battery?". smile
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Search google "LED Emergency Light". Believe that buying it will be cheaper than making it.

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