A Manzanita Micro PFC-20 would likely meet all you needs for about
$2000, plus it comes assembled and tested:
http://www.manzanitamicro.com/products?page=shop.product_details&flypage=flypage.tpl&product_id=39&category_id=14
Bill D.
At 09:18 AM 1/29/2015, you wrote:
I'm looking to buy a kit (or an assembled) battery charger for a
120v lead acid system, with an eye to upgrading to a LiIon system in
the future (also near 120-130 volts, limited by my controller/motor combo).
Requirements:
-Must support customizable charging curves that I can tweak
between Lead Acid and LiIon or differing number of cells.
-Must be able to auto-switch / auto-sense 120 vs 240 volt feeds.
Most likely, this will mean it has a PFC front end.
I specifically do NOT want to have to switch cables around.
(Ideally it will be able to limit draw to 15/20 amps on 120 and
30/40 amps on 240...but I'm willing to toggle a menu option myself
if needed for current limit.)
-Needs to support a minimum of 2,500 watts of charging at 240
volts. I'd prefer 3.3k or 6.6k, but 2.5k is a minimum. I don't
really need a super high powered charger, but would consider a
higher power charger if the price was right. I have a NEMA-14-50
outlet, so max of around 40 amps at 240 volts or 9-10kW range.
Features I'd like:
-I'd like to keep the price low, and am very comfortable
assembling a kit of parts. (But I want to be able to buy a complete
kit, I don't want to have to source parts from all over...)
-A BMS input to turn off charging (I don't want to fuss around
with a separate AC relay...)
-I'd prefer an open source solution over a closed source solution,
but as long as I can manually tweak the battery charging curves and
amp draw, I'd accept a "black box" that is cheap.
-Ability to have sdcard, bluetooth or wifi access to charge data
logging would be very nice, but is not needed.
My maximum price point is around $2,000, and I'd really prefer to be
closer to $1,000, so I'm willing to trade power for cost as long as
it supports 2.5kW to 3.3kW charging...
Suggestions/recommendations/reviews or things to stay away from?
Thanks,
Jay
P.S. I currently have a 120 volt charger and a 240 volt charger that
are both designed for lead acid, so I'll be saving some space by
replacing them both, plus gaining flexibility for future upgrades.
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