2-CELL POS LED FLASHLIGHT



2-Cell POS LED Flashlight, retail $2.00
Manufactured by (Unknown)
Last updated 08-25-20





The 2-Cell POS LED Flashlight is a fairly bright (
for a higher-powered) LED flashlight that comes in a plastic body with what appears to be a 1W high-powered phosphor white LED at the bottom of a stippled (texturised) reflector.

It operates from a pair of AA cells, and comes in an all-plastic body.

The POS in the product's name really does mean, "Piece Of {vulgar slang term for feceS}"!!!


 Size of product w/hand to show scale SIZE



To turn on the 2-Cell POS LED Flashlight, press the red button on the barrel until it clicks.

To neutralise the flashlight, just perform the exact same action.



To change the AA cells in the 2-Cell POS LED Flashlight when they peter out, unscrew & remove the tailcap, and set it aside.

Tip the tired old AA cells out of the barrel, and dispose of or recycle them as you see fit.

Insert a pair of new AA cell into the barrel, orienting them so that the button-ends (+) positives go in first.

Finally, screw the tailcap firmly back into place and throw the flashlight into the dustbin (garbage can).

Current usage measures ~350mA on my DMM's 10A scale.
The "~" indicates an approximate measurement; the light blinks and flashes at random so I could not get a rock-stable reading here.

Remeasured with a new (working) sample: 395mA



The 2-Cell POS LED Flashlight appears to be durable enough that it shouldn't just fall apart through casual handling.

After administering The Smack Test (ten smacks onto a brick wall; five against the side of the tailcap and five against the side of the bezel) on it, not too surprisingly, the damned thing became busted!!!



Here's a brief video on YourTube showing the 2-Cell POS LED Flashlight flunking The Smack Test and how the tailcap & spring just popped off.


The purpose of The Smack Test isn't to see how badly damaged the external parts of the flashlight would become; it gauges how well (or how poorly) the LED and driver circuit handles the instantaneous G-forces encountered during this test. The 1W LED Flashlight handled this test surprisingly crappily.

Water-resistance is marginal at best; when the tailcap was removed and the barrel was suctioned, a
HUGE leak was detected!!!

If you can find this light for two or three dollars, I guess it isn't that big a waste -- but you'd never, EVER want to pay more than $3 for it!!!

This piece of caca "earned" the, "Zero Stars -- Uranate On It" rating that I "awarded" it.



Beam terminus photograph on the test target at 12".
Measures 1,528,000mcd on an Amprobe LM631A light meter.

(New sample measured 1,480,000mcd on the same meter.)



Beam terminus photograph on a wall at ~8 feet.





Brief video on YourTube showing how this POS behaves when turned on -- clearly it's going to pot.
It flashes like this (rapidly and with frequently changing speed) when you turn it on. :-(


Spectrographic analysis
Spectrographic analysis of the LED in this flashlight.
I was not able to obtain a full-scale measurement here because of the random nature of its flashing.


Spectrographic analysis
Spectrographic analysis of the 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.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at pos.txt


Spectrographic analysis
Spectrographic analysis of the LED in the replament unit of this flashlight.


Spectrographic analysis
Spectrographic analysis of the LED in the replament unit of this; spectrometer's response narrowed to a band between 435nm and 455nm to pinpoint native emission peak wavelength, which is 447.650nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at pos2.txt

USB2000 Spectrometer graciously donated by P.L.


A beam cross-sectional analysis would normally appear here, but the ProMetric System
that I use for that test was destroyed by lightning in mid-July 2013.



TEST NOTES:
Test unit of the 2-Cell POS Flashlight was purchased at the Happy Market in Fresno CA. USA sometime in late-2019.


UPDATE: 00-00-00



PROS:
It's actually quite bright for a two-banger (light that uses two cells)
Has a natural, flashlight-like feel in the hand


NEUTRAL:



CONS:
Not durable at all -- not no way, not no how!!!
Not water-resistant
Unexpectedly fragile even considering the low cost
May explode into hundreds of sharp little pieces when dropped


    MANUFACTURER: Unknown for True Forge
    PRODUCT TYPE: Small handheld flashlight
    LAMP TYPE: 1W phosphor white LED
    No. OF LAMPS: 1
    BEAM TYPE: Medium spot w/ soft corona
    REFLECTOR TYPE: Stippled
    SWITCH TYPE: Pushbutton on/off on barrel
    CASE MATERIAL: Plastic
    BEZEL: Plastic; LED & reflector protected by plastic window
    BATTERY: 2x AA cells
    CURRENT CONSUMPTION: 395mA
    WATER- AND URANATION-RESISTANT: Extremely light splatter-resistant at maximum
    SUBMERSIBLE: ¡¡¡UN ZOMBI DEJANDO POPÓ EN UN TAZÓN HIGIÉNICO, NOOOOO!!!
    ACCESSORIES: None
    SIZE: ~160mm L x 38.9mm D at widest point
    WEIGHT: 89g (3.14 oz.) incl. batteries
    COUNTRY OF MANUFACTURE: China
    WARRANTY: Unknown/not stated

    PRODUCT RATING:

    Star Rating





2-Cell POS LED Flashlight *







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