Testing and review of i-watt 12W 4200K G45 with E27 base

On my desk is an LED bulb from the manufacturer i-watt. A bulb with an E27 base and a G45 form factor. Or, to put it simply, a ball.

Light bulb article: I-17119-12W

G45-E27-4200K

163-265 V

When first turned on (220 Volts), the power is not very similar to 12 W:

here it comes out to only 7.5 W.

When the voltage was increased to 230 Volts, no miracle happened: 7.4 W.

Color temperature – 3830 K, Color rendering index – 79.1.

The light from the lamp can be considered white, without any impurities.

The 14-color chart is pretty standard, as always, there is no red color as such.

Although the pulsations are high, they are at a very high frequency – there is no risk.

Illumination from the lamp:

220 Volts – 201 Lux;

250 Volts – 201 Lux;

170 Volts – 201 Lux;

100 Volts – 145 Lux;

50 Volts – complete darkness.

The driver of this lamp is even very stable. It copes well with voltage surges.

Heating of the flask – 50 degrees Celsius. Heating of the body – 76.6 degrees Celsius.

The luminous flux from the i-watt bulb turned out to be 633 lumens, while the manufacturer says 780 lumens.

There are 9 LED housings on the diode board, under the phosphor of which three LED housings can be guessed. The circuitry heats up right there – on the board.

The temperature at the hottest point of the LED board after 30 minutes of warming up was 76 degrees Celsius. Not bad.

The cooling is quite standard and does not surprise in any way.

I rated this lamp negatively, my colleagues in the Domorost project agreed with me.

That's all, take care of your eyes!