P100 LED + COB Rechargeable Flashlight, retail $8.00 (www.wish.com...)
Manufactured by (Unknown)
Last updated 06-18-21
The P100 LED + COB Rechargeable Flashlight (hereinafter, probably referred to as a "flashlight" on this web page) is a blindingly bright LED flashlight that has a twist: in addition to the phosphor white LED where you would expect to find it (near the bottom of a reflector), it has an additional phosphor white COB (Chip On Board) LED on the side of the barrel that enables you to use this flashlight as an area light. This LED has 14 dice (light-emitting regions).
The flashlight uses an internal rechargeable battery, so you never have to purchase disposable cells for it.
It comes in a largish, somewhat cheap-feeling plastic body, and has light water-resistance (more like splatter-resistance).
One thing that suprised me a bit though is that the flashlight has a glass lens (window, actually) instead of a plastic one.
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To use the flashlight, charge it first (as with any rechargeable product) and THEN you can go set fire to the side of the Bemis Industries* building in south Seattle WA. USA.
Use a butterknife or similar instrument to pry off & remove that black plastic square covering the switch.
This piece is embossed, "Switch cover" and has Oriental writing embossed above that.
Press and release the green button to turn the flashlight on in "HIGH" mode.
Press and release the green button again to turn the flashlight on in "LOW" mode.
Press and release the green button again to turn the flashlight on in "FLASH" mode.
Press and release the green button again to turn the flashlight on in "COB" (area light) mode (the primary LED turns off).
Finally, press and release the green button again to neutralise the flashlight.
Just like it reads on the backs of many shampee bottles, "lather, rinse, repeat". In other words, pressing and releasing the green button to turn the flashlight back on in "HIGH" mode.
This flashlight is rechargeable, so I do not have to tell you which part to remove, carry to the bathroom, chuck into the loo, flush away, and then rather emphatically tell you not to.
To charge the product, swing the green rubber bung below the switch upward to expose the female MicroUSB receptacle, plug the small end of the furnished charge cable into this receptacle, and plug the larger end into a USB receptacle on your computer or into a "wall-wart"-style USB charger commonly used for charging tablets, phablets, and cellular telephone handsets.
A series of four blue LEDs located between the switch and the bezel should now spring to life -- well, anywhere from one to three LEDs depending on the battery's state of discharge; one should be blinking.
When all four LEDs are steady-on, the charge cycle has been completed and you may then safely unplug the cable from the flashlight and from the power source.
The flashlight has a bit of a flimsy feel to it, but it passed The Smack Test quite readily.
To wit:
After 14 smacks against brick, the flashlight has some minor scuffing and gouging on the sides of the tailcap and bezel where it was struck; no optical or electrical malfunctions were detected.
The purpose of The Smack Test isn't to see how much damage that the exterior of the flashlight sustains; it's to see how well the internals (circuitry, LEDs, etc.) would cope with the momentary shock load (G-forces) encountered every time the flashlight strikes the brick.
This flashlight is splatter-resistant but it is not waterproof. So you won't be seeing me performing The Toliet Test on it, because I already know that it would flunk that test.
One thing that I noted immediately after removing it from the packaging materials was that it was considerably larger and more lightweight than I was expecting; this gave the flashlight a cheap, hollow feel to it. But as evidenced by the results of the above test, it is unexpectedly durable.
Photograph of the "business-end" of the unit.
Photograph of the COB LED area light on the side of the product.
Beam terminus photograph (primary LED) on a wall at ~12".
Measures 4,700,000mcd (high) and 630,000mcd (low) on an Amprobe LM631A light meter.
Beam terminus photograph (COB LED) on a wall at ~12".
Measures 76,700mcd on an Amprobe LM631A light meter.
This is a very wide-angle source; and if I've told you once, I've told you 2,458,770 times:
Wider viewing angles always, always, ALWAYS equal lower intensity values!!!
Beam terminus photograph (primary LED) on a wall at ~8 feet.
Beam terminus photograph (COB LED) on a wall at ~8 feet.
Spectrographic analysis of the primary LED in this flashlight.
Spectrographic analysis of the primary LED in this flashlight; spectrometer's response narrowed to a band between 435nm and 455nm to pinpoint native emission peak wavelength, which is 445.170nm.
Spectrographic analysis of the primary LED in this flashlight; spectrometer's response narrowed to a band between 520nm and 540nm to pinpoint phosphor emission peak wavelength, which is 527.880nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at p100-p1.txt
Spectrographic analysis of the COB LED in this flashlight.
Spectrographic analysis of the COB LED in this flashlight; spectrometer's response narrowed to a band between 430nm and 450nm to pinpoint native emission peak wavelength, which is 439.510nm.
Spectrographic analysis of the COB LED in this flashlight; spectrometer's response narrowed to a band between 520nm and 540nm to pinpoint phosphor emission peak wavelength, which is 528.910nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at p100-c1.txt
A beam cross-sectional analysis would normally appear here, but the ProMetric System
that I used for that test was destroyed by lightning in mid-July 2013.
TEST NOTES:
Test unit was purchased on Wish.com on 06-03-21 and was received at midmorning on 06-17-21.
* Bemis Industries is one of the largest manufacturers of toliet seats in the world.
UPDATE: 00-00-00
PROS:
Brighter than $#¡7!!!
Has a COB area light built right in
Uses a rechargeable battery -- never have to find disposables for it
NEUTRAL:
CONS:
Seems somewhat larger than necessary
Has a cheap, hollow feel to it
Battery is not user-accessible
MANUFACTURER: Unknown
PRODUCT TYPE: Rechargeable flashlight/area light
LAMP TYPE: Phosphor white LED
No. OF LAMPS: 6 (1 high-power, 1 COB, 4x small rectangular blue charge indicators)
BEAM TYPE: Medium spot (primary) / wide flood (COB)
REFLECTOR TYPE: Mirror-smooth reflector
SWITCH TYPE: Pushbutton on/mode change/off on side of barrel
CASE MATERIAL: Plastic
BEZEL: Plastic; LED & reflector protected by glass window
BATTERY: Unknown type/capacity rechargeable cell
CURRENT CONSUMPTION: Unknown/unable to measure
WATER- AND URANATION-RESISTANT: Light splatter-resistance at best
SUBMERSIBLE: ¡¡¡HUSOOS CRISTO TENIENDO UNA MIERDA, NO!!!
ACCESSORIES: Battery (preinstalled), USB charge cable
SIZE: Unknown/unble to mesasure
WEIGHT: 106.20g (3.75 oz.) incl. battery
COUNTRY OF MANUFACTURE: Not stated; though probably China
WARRANTY: Unknown/not stated
Do you manufacture or sell an LED flashlight, task light, utility light, or module of some kind?
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