[RE-wrenches] BZ Products Charge Controllers

Jeff Yago jryago at dtisolar.com
Wed Apr 10 14:23:50 PDT 2013


we  have used their smaller units for about 10 years.  As I recall, that was near the start off their product line and we have watched it evolve over the years.  They are very low cost and we use them on the smaller solar sign lights and small custom battery charging systems when Morningstar products would be overkill.

Jeff Yago



Sent from my iPad

On Apr 10, 2013, at 4:38 PM, Roy Butler <roy at four-winds-energy.com> wrote:

> Nathan and Dan,
> 
> We've used the BZ 250 and 500 MPPT controllers here in our shop. They worked well
> until we used them on our 2 meter amateur radio repeater solar/ battery power supply system.
> 
> For some reason, they were overly sensitive to RF from the transmitter and the front ends blew in
> both units. In the interest of full disclosure, this was several years ago when these units first came
> out and they may be much more robust now.
> 
> And you are correct, they do fill a current and price niche!
>  Roy Butler
> NABCEP Certified Small Wind Installer®
> NABCEP Certified Solar PV Installer®
> NYSERDA eligible PV & wind installer
> Four Winds Renewable Energy, LLC
> 8902 Route 46, Arkport, NY 14807
> 607-324-9747  www.four-winds-energy.com
> 
> Join us at the 9th Annual Small Wind Conference
> A Gathering of Installers, Manufacturers, Dealers, & Distributors
> June 18 and 19, 2013 in Stevens Point, Wisconsin
> www.smallwindconference.com
> 
> Although no trees were killed in the sending of this message, 
> a large number of electrons were terribly inconvenienced.
> 
>                 
> On 4/10/2013 4:19 PM, Dan Fink wrote:
>> Nathan; 
>> I was just about to ask exactly the same question here on the Wrenches list. The BZ controllers seem to fill an amperage niche vs price point that we need here for small  MPPT 12v - suresine systems deployable by helicopter, canoe etc. We don't need UL listing for these systems. 
>> I'd love to hear reports on these controllers from other Wrenches before I buy any of them and haul them out into the bush.
>> 
>> Dan Fink,
>> Executive Director;
>> Otherpower
>> Buckville Energy Consulting
>> Buckville Publications LLC
>> NABCEP / IREC accredited Continuing Education Providers
>> 970.672.4342
>> 
>>  
>> 
>> 
>> On Wed, Apr 10, 2013 at 2:03 PM, Nathan Stumpff <Nathan at arcticsun-llc.com> wrote:
>>> Hello wrenches,
>>> 
>>>  
>>> 
>>> Anyone have any experience with BZ Products charge controllers? Kind of thin website (http://bzproducts.net/) but it seems like a pretty slick way to be able to use the ubiquitous 60 cell panels in small systems, if the controllers are quality.
>>> 
>>>  
>>> 
>>> Any thoughts appreciated.
>>> 
>>>  
>>> 
>>> Thanks,
>>> 
>>> -Nathan
>>> 
>> 
>> 
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