[Elecraft] Fwd: Bioenno's July Promotion

[Walter Underwood]

The KXPA100 is rated to produce 100W at 13.8V or more. I’ve heard reports of lower power at lower voltages.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Jul 11, 2016, at 1:49 PM, Marc Veeneman via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> Actually you can charge and operate at the same time.  Basic charge voltage is 13.2 and finishing voltage is 14.6 volts.  I've never had a problem with any Elecraft (or other) ham gear at either voltage.  
> 
> Float charge would work just fine but I wouldn't make a habit of it.  The control modules wired between cells need 14.6 volts (for 4S configurations) to trigger their cell balancing ability.  Lead acid cells balance automatically when in series.  LiFePO4 cells do not.
> 
> But beware the charger RFI.  The 10 amp chargers from BioennoPower are strong generators and I can't use them in the shack to recharge either the battery in use or any other battery while I'm on 80 meter CW.  
> 
> I'm testing some alternative high amp chargers and have found at least one that is RFI quiet.  I'll be testing a second, less expensive, alternative this week.
> -- 
> Marc
> 
> 
>> On Jul 11, 2016, at 3:58 PM, Wes Stewart <wes_n7ws at triconet.org> wrote:
>> 
>> Perhaps it would be overkill to consider one of these for my purpose anyway, but based on this thread my interest was piqued about using one of these in the shack to cover short power outages.  I've learned that you CANNOT charge and feed a load at the same time, i.e float charge.
>> 
>>> On 7/11/2016 5:44 AM, Clay Autery wrote:
>>> Thanks again, Jim for linking to this vendor.  Just ordered the 12
>>> Amp/Hr battery they had on promotion with charger to 1) try them out,
>>> and 2) to power the K3s/P3 while RFI, et al hunting with all or most of
>>> the shack service shut down.
>>> 
>>> ______________________
>>> Clay Autery, KY5G
>>> MONTAC Enterprises
>>> (318) 518-1389
>>> 
>>>> On 6/30/2016 11:28 AM, Jim Brown wrote:
>>>> This sale offers good discounts on some fine backpacking products from
>>>> a ham-friendly company.
>>>> 
>>>> 73, Jim K9YC
>> 
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