[Elecraft] KX2 Battery

Because Elecraft would not ship the KX2 battery to New Zealand I made my own internal battery packs using 3 * Panasonic 3.4AH 18650 batteries and a 3 cell small charging/protection PCB I purchased from Aliexpress. Charge voltage is 12.6V with current limiting to 1.6 amps. I placed

Re: [Elecraft] KX2 battery issue

> The battery is as old as the KX2.  Maybe 6 years??? > > AI6B > Bryan B. Brauer Not likely. Sales of the KX2 and accessories did not begin until May 2016. Mike / KK5F __ Elecraft mailing list Home:

Re: [Elecraft] KX2 battery issue

Bryan, My KX2 is a early model s/n 02xx and I'm still using the original battery. The only mod I've done is the 2nd harmonic for the tx.My battery works fine. 73Jim HK7SSS In a message dated 9/16/2019 5:21:10 PM Pacific Standard Time, bryanbraue...@gmail.com writes: Thanks for the reply.  The

Re: [Elecraft] KX2 battery issue

Bryan,How old is the KX2? Batteries do wear out after several years of use. It varies on usage and charging.73Jim HK7SSS In a message dated 9/16/2019 12:58:56 PM Pacific Standard Time, bryanbraue...@gmail.com writes: I noticed today that while operating my KX2 with the original equipmentTenergy

[Elecraft] KX2 battery issue

I noticed today that while operating my KX2 with the original equipment Tenergy 10.8V battery, the transmit power folded back from 10W to 5W each time I keyed the microphone. The battery is fully charged. It does not happen with the 11.1V unbranded replacement battery that I also purchased from

Re: [Elecraft] KX2 battery options.

To: Elecraft list Subject: [Elecraft] KX2 battery options. Mike, if you do build a KX2 battery, make sure to include a protection circuit. Some links and other info here: http://ae5x.blogspot.com/2018/02/shrink-wrapping-my-kx2-batteries.html 73, John AE5X https://ae5x.blogspot.com

Re: [Elecraft] KX2 battery options.

On 11/19/2018 08:54, Detrick Merz wrote: 4 cells: at full charge, pack voltage is too high for the KX3. On the flip side, nominal pack voltage will remain high enough for the radio to operate at higher power until the pack is nearly dead. I've dealt with this two ways: Depending on the

Re: [Elecraft] KX2 battery options.

I've done both, for my KX3, using cells salvaged from old laptop batteries. 4 cells: at full charge, pack voltage is too high for the KX3. On the flip side, nominal pack voltage will remain high enough for the radio to operate at higher power until the pack is nearly dead. I've dealt with this

[Elecraft] KX2 battery options.

Mike, if you do build a KX2 battery, make sure to include a protection circuit. Some links and other info here: http://ae5x.blogspot.com/2018/02/shrink-wrapping-my-kx2-batteries.html 73, John AE5X https://ae5x.blogspot.com __ Elecraft

Re: [Elecraft] KX2 battery options.

IMHO, use 3S1P pack, 12.6/11.1 fully charged/nominal. The 4S1P pack 16.8/14.4 - voltage is too high. -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Mike Short Sent: Monday, November 19, 2018 8:05 AM To: elecraft@mailman.qth.net Subject: [Elecraft] KX2 battery

[Elecraft] KX2 battery options.

I have a bunch of 18650 batteries. Should I build a 3 or 4 cell case for it? Mike AI4NS __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post:

Re: [Elecraft] [KX2] Battery Charger

Thanks Don, just checking. 73, Scott N1SER On Mon, Sep 25, 2017 at 4:57 PM, Don Wilhelm wrote: > Scott, > > The Tenergy battery charger is just for charging the battery, not for > running the radio. > The PAE power supply is not for charging the battery, but will run

Re: [Elecraft] [KX2] Battery Charger

Scott, The Tenergy battery charger is just for charging the battery, not for running the radio. The PAE power supply is not for charging the battery, but will run the radio just fine. Lithium batteries are to be treated with care. If abused, the can create fires or explosions. You have

[Elecraft] [KX2] Battery Charger

Can the Tenergy battery charger (from Elecraft) that is used for the KX2 be used to power the KX2 like the ProAudio Engineering unit? 73 -- Scott Russell, N1SER President, Beaches Amateur Radio Society (BARS) http://www.kb4ars.net/ __

Re: [Elecraft] KX2 Battery Question

Don't tell the kapton that has been decoupling the 2kV on the anode in my 500W 1296MHz amplifier for 12 years this! Dave WW2R Date: Sat, 27 May 2017 14:13:58 -0700 From: Matt Zilmer <mzil...@roadrunner.com> To: elecraft@mailman.qth.net Subject: Re: [Elecraft] KX2 Battery Question Mess

Re: [Elecraft] KX2 Battery Question

6am...@yahoo.com>; elecraft@mailman.qth.net Subject: Re: [Elecraft] KX2 Battery Question I'll just reply with https://www.kaptontape.com/Conductive_Tapes.php I last used it in the IFE industry. There may be more than one type, but I'm not an expert at this. 73, matt W6NIA On 05/27/2017 03:31 PM

Re: [Elecraft] KX2 Battery Question

Re:   "I'll just reply with https://www.kaptontape.com/Conductive_Tapes.php ... There may be more than one type, but I'm not an expert at this." Matt, That isn't really made from Kapton.  Take a look at the Technical Datasheet for that tape (link on upper right corner of the page).  It is

Re: [Elecraft] KX2 Battery Question

Sorry, not Kapton. You're looking at conductive tape available from a web site called kaptontape.com, unrelated to the Dupont product. This is Kapton tape from the same website: https://www.kaptontape.com/1_Mil_Kapton_Tapes.php 73, Josh W6XU Sent from my mobile device > On May 27, 2017, at

Re: [Elecraft] KX2 Battery Question

tive against > those aircraft that were delivered using Kapton insulation, but there > was discussion of that > > > Mark, > > KE6BB > > > > *From:* Matt Zilmer <mzil...@roadrunner.com> > *To:*

Re: [Elecraft] KX2 Battery Question

delivered using Kapton insulation, but there was discussion of that Mark, KE6BB From: Matt Zilmer <mzil...@roadrunner.com> To: elecraft@mailman.qth.net Sent: Saturday, May 27, 2017 2:22 PM Subject: Re: [Elecraft] KX2 Battery Question Someone mentioned Kapton tape ear

Re: [Elecraft] KX2 Battery Question

You must be confusing Kapton with a different material. It has excellent dielectric properties, makes an excellent insulator, and is a pretty good thermal conductor. It's also inexpensive. It's lousy with abrasion. 73, Josh W6XU Sent from my mobile device > On May 27, 2017, at 2:13 PM, Matt

Re: [Elecraft] KX2 Battery Question

Someone mentioned Kapton tape earlier, to be used to insulate the battery side of the PCBA. Kapton tape is conductive and used mostly for EMI shielding. Putting it or other tapes (some electrical tapes) on the the PCBA would probably change electrical characteristics - conduction between

Re: [Elecraft] KX2 Battery Question

There are no components anywhere near the battery. The bottom of the RF board in this area was left completely clear specifically to avoid the need for any supplemental insulating material. 73, Wayne N6KR > On May 27, 2017, at 10:14 AM, Peter Pauly wrote: > > I would have

Re: [Elecraft] KX2 Battery Question

I would have liked to see a big piece of kapton tape covering the board. Aren't the components ESD sensitive? On Sat, May 27, 2017 at 10:23 AM, Tim McDonough N9PUZ wrote: > On 5/27/2017 12:14 AM, Wayne Burdick wrote: > >> I have a "new to me" KX2 along with the internal

Re: [Elecraft] KX2 Battery Question

On 5/27/2017 12:14 AM, Wayne Burdick wrote: I have a "new to me" KX2 along with the internal battery and charger. Inside the KX2 battery compartment, is there supposed to be any sort of insulating sheet or pad covering the circuit board? No insulating sheet is necessary. The battery is

Re: [Elecraft] KX2 Battery Question

> On May 26, 2017, at 8:27 PM, Tim McDonough N9PUZ wrote: > > I have a "new to me" KX2 along with the internal battery and charger. Inside > the KX2 battery compartment, is there supposed to be any sort of insulating > sheet or pad covering the circuit board? Tim, No

[Elecraft] KX2 Battery Question

I have a "new to me" KX2 along with the internal battery and charger. Inside the KX2 battery compartment, is there supposed to be any sort of insulating sheet or pad covering the circuit board? There was nothing inside mine when I opened it and my first thought is that even though it is

Re: [Elecraft] Kx2 battery.

The battery pack should arrive about 30% charged. Our recommendation is that you charge the pack fully before using it. You'll know that the pack is fully charged when the green LED on the charger is glowing. 73, Matt Zilmer, W6NIA KX2 Program Manager On 4/24/2017 11:36 AM, Evan brendel

[Elecraft] Kx2 battery.

My kx2 should arrive tomorow. Do the batteries come charged? Should I charge them fully before use to maximize life? Or should I use them as is out of the box and run them down then charge to maximize life. Thanks Evan kc0ntc Get Outlook for iOS

Re: [Elecraft] KX2 battery in PX3

>When I am portable, simple is better,  I used to think so too, but after operating portable with and without the PX3 several times over the past few months, I've found I'm much more productive with it than without, enough that I bring the PX3 along even though I have essentially a

Re: [Elecraft] KX2 battery in PX3

Currently when I'm operating my KX3 portable, I have the advantages of operating from a house. I use mains power and a splitter to power both the KX3 and the PX3. It's kind of ironic that I operate pure solar at home and mains power on the road. I do find the idea of slipping a battery into

Re: [Elecraft] KX2 battery in PX3

.qth.net Subject: Re: [Elecraft] KX2 battery in PX3 Re "a KX2 doesn't have RX IQ out :-( ": But you knew that when you bought it, Mark -- Right? Most of us sure did :-) Phil W7OX On 9/1/16 3:03 PM, Mark via Elecraft wrote: > For those who don't know, Edouard is the author of of

Re: [Elecraft] KX2 battery in PX3

n.qth.net> Subject: [Elecraft] KX2 battery in PX3 With all the discussion on KX2 IQ output going on, I don't want to muddle things up even further, but as Mark KE6BB was reminding me earlier, there is a nice way you can power the PX3 using a standard KX2 battery that I demonstrated a couple

Re: [Elecraft] KX2 battery in PX3

<edou...@lafargue.name> Date: 9/1/16 2:03 PM (GMT-08:00) To: Elecraft Reflector <elecraft@mailman.qth.net> Subject: [Elecraft] KX2 battery in PX3   With all the discussion on KX2 IQ output going on, I don't want to muddle things up even further, but as Mark KE6BB was remindin

Re: [Elecraft] KX2 battery in PX3

That’s very cool. I’m going to try running the PX3 and KX3 off a 12Ah Bioenno battery and a Powerpole distribution adapter. Maybe I’ll get rid of the internal batteries on the KX3. > On Sep 1, 2016, at 2:27 PM, Bill wrote: > > Ed, Thank you for the information. Makes we want

Re: [Elecraft] KX2 battery in PX3

Ed, Thank you for the information. Makes we want to buy the PX3, as if having the P3 wasn't enough ;- ) Bill K9YEQ Bill K9YEQ -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Edouard Lafargue With all the discussion on KX2 IQ output going

[Elecraft] KX2 battery in PX3

With all the discussion on KX2 IQ output going on, I don't want to muddle things up even further, but as Mark KE6BB was reminding me earlier, there is a nice way you can power the PX3 using a standard KX2 battery that I demonstrated a couple of weeks back:

[Elecraft] KX2 Battery Charger / Power Supply

I realize there's probably some lithium specific charging routine in the Tenergy charger, but it would be great if this could be bypassed and the charger used as an external power supply for the KX2. I have an almost identical AC-DC converter that I installed PowerPoles on and use as a power

Re: [Elecraft] KX2 Battery Charger / Power Supply

Hi Luke, I assume you've discovered your last two posts, "KX2 Battery Charger / Power Supply" and "KX2 Firmware Suggestions", don't have any content (i.e., no body). Joe Stone KF5WBO -- View this message in context:

[Elecraft] KX2 Battery Charger / Power Supply

__ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: