Official Specs and Features

Here’s a link to the official product page.


This review is for one specific dropin, but KDLITKER has many p60 dropins.  I’m not going to list them all.


I think it was a little more when I purchased, but this dropin is $16.98 at this time.  You’ll need other parts in order to have a working flashlight, so bear that in mind.

Short Review

It’s 219b, but it’s not 219b.  This is a 5700K 219b, which isn’t the rosy favorite of this lowly reviewer.  Still it’s a good tint, and the dropin itself is nicely built and functional.

Long Review

The Big Table

KDlitker P6-Tri Triple
Emitter: Nichia 219b (5700K, CRI92)
Price in USD at publication time: $16.98
Cell: 3V – 9V ( 1 or 2 x 18650 / 3 x CR123 )
Turbo Runtime High Runtime
LVP? Yes
Switch Type: Mechanical
On-Board Charging? No
Claimed Lumens (lm) 1000
Measured Lumens (at 30s) 496 (49.6% of claim)* (tested at 4.2V – 780 at 9V)
Claimed Throw (m)
Candela (Calculated) in cd (at 30s) 117lux @ 4.652m = 2532cd
Throw (Calculated) (m) 100.6
All my KDlitker reviews!

* Measurement disclaimer:  I am an amateur flashlight reviewer.  I don’t have $10,000 or even $1,000 worth of testing equipment.  I test output and such in PVC tubes!!  Please consider claims within 10% of what I measure to be perfectly reasonable (accurate, even).

What’s Included

  • KDLITKER P6-TRI Triple Nichia 219b 5700K Dropin

Package and Manual

The dropin ships in a film canister.  Remember film?

There is no manual, though the product page does cover things a manual would anyway.

Build Quality and Disassembly

The brass may look a little dirty or patinaed on this dropin but I’d used it for a while before doing art for this review.  Anyway, that won’t really affect functionality, and it’s not coated brass, so it’s to be expected.

There is no lens here.  The retaining ring (seen above) holds the optic in place.  The P60 host you have will likely have a lens anyway (my Solarforce seen in this review does, for example).

That retaining ring on the front unscrews easily.  The large spring on the tail also pops right off, and a retaining ring on the bottom end also unscrews easily.

Here’s a bit of disassembly.  All the parts broken down, first.  A driver change or mcpcb change would be very easy.

The leads come to the mcpcb through a hole in the center of the dropin.

Plenty of space in the dropin for excess wire, too.  This would be a great module for a beginner to play around with.

This is a standard Carclo optic.

I use the drop in in a Solarforce host.  This is the L2C, but I did runtimes with an L2M, because 18350.

Size and Comps

It’s a P60 dropin.  Whatever size they’re supposed to be, this one is.  I didn’t have to modify anything to make it work in my Solarforce lights.  Officially that’s 26.5mm (Dia.) x 37mm (Including Spring).

Retention and Carry

Whatever your host supports.  This is just a dropin, not a Swiss army knife.

Power and Runtime

The dropin claims 1000 lumens, but it also has an operational voltage up to 9V.  Being that I tested it at only 4.2V, it’s likely that higher output will be obtained with running cells in series.

The runtime is about what you’d probably expect.  Unregulated, just falling off as voltage falls off.  The dropin does have LVP, which is noteworthy.


On bench power, the dropin seems to shut off at 2.19V (this isn’t really “low voltage protection” though, it’s different….)  The main emitter flashes intermittently when the voltage is low, too.

Modes and Currents

Mode Mode Claimed Output (lm) Claimed Runtime Measured Lumens Tailcap Amps
100% 1000 496 (780 @9V) 2.51 (1A at 9V)
30% 139 0.63
5% 0.04
1% ~

Pulse Width Modulation

PWM on all but the highest mode.  That’s not the least bit fantastic.  I don’t really notice it in use, but I do notice it in the some certain way that’s very hard to describe.  Some outputs just seem “softer” that others, which my data tells me is me picking up on high frequency PWM.  I don’t really relish this ability.

For reference, here’s a baseline shot, with all the room lights off and almost nothing hitting the sensor.  And here’s the worst PWM light I have ever owned.  Also one of the very first lights I ordered directly from China!

User Interface and Operation

I used the dropin exclusively with a forward clicky, but there’s no reason it won’t work with a reverse clicky.  There are four modes plus a hidden strobe.  The modes advance L toward H.

Here’s a UI table!


State Action Result
Off Click On (Mode Memory)
Off Half press Mode Advance (Click at desired mode)
On Click Off
Off Double tap Strobe (hold for momentary, click for steady strobe)

LED and Beam

As discussed, these emitters are Nichia 219b, 5700K.  They’re good, and I like them, but don’t buy them because they’re 219b emitters.  They’re 5700K, which might be cooler than an enthusiast wants.  That said, they’re good, and have a very nice temperature anyway.

These beamshots are always with the following settings:  f8, ISO100, 0.3s shutter, and manual 5000K exposure.

Tint vs BLF-348 (Killzone 219b version)

It’s just a bit more of a stark white than the rosy 219b.

I compare everything to the Killzone 219b BLF-348 because it’s inexpensive and has the best tint!


What I like

  • Low cost triple for P60
  • Well built
  • Easily modifyable
  • All brass construction
  • Nice voltage range acceptable

What I don’t like

  • PWM on 3/4 modes


  • This light was provided by me for review. I was not paid to write this review.
  • This content originally appeared at  Please visit there for the best experience!
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1 thought on “KDLitker P6-TRI Triple Nichia 219b P60 Dropin Review”

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