Flexcharge NC25A 24v Ultra High Efficiency Charge Controller (Regulator)

Flexcharge NC25A 24v Ultra High Efficiency Charge Controller (Regulator)

Model: NC25A/24

Brand: AEE Solar

Price: $150.00 $139.00 

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Flexcharge NC25A 24v Ultra High Efficiency Charge Controller (Regulator)
 
NC25A   Ultra High Efficiency 25 Ampere Solar and Wind System Charging System Controller
The NC25A-(X) is series regulator designed for alternative energy charging systems ranging in size from 0.1A to 25A.  It is the ideal regulator for Solar (PV) and Permanent Magnet Generators (Including outboard motors and smaller wind generators). The NC25A also includes the Charge Divert feature.  Charge Divert allows you to use the excess charging source energy for other tasks, or for placing a load on permanent magnet charging sources such as wind generators to prevent over speed conditions.  The Divert connection is only activated after the charging source is making energy and the batteries are not using the energy (i.e. A wind generator will not be starting into the divert load).  This controller can easily and inexpensively be expanded to handle one or more banks of 100A charging sources.  (1000A max charging current in this configuration).  Multiple battery banks can be charged with the use of a standard battery charging isolators.

Years prior to the sale of the first NC25A, the SES Flexcharge product development team took a hard look at what a new alternative energy charge controller's performance level would need to be to give the user the best possible controller for there needs.  From that effort came the following design criteria;

Highest Possible Charging Efficiency .  The NC25A holds a Patent for its innovative an efficient charging circuitry.
Most alternative energy charge controllers operate at an efficiency of 97%.  Off hand, this sounds pretty good but lets go through the numbers for a typical charge controller.

Power Wasted = (Total Charging Current)  x  (100% - 96%)  x  (Typical Battery Voltage).         P = 25A x 0.04 x 12.6V = 12.6W of wasted energy.

The NC25A operates at 99.5% typical charging efficiency.  (99.9% at its best).
P = 25A x 0.005 x 12.6V = 1.57W

In comparing the numbers we see a 11 watt gain in charging energy that is available for your battery bank with the NC25A over the Typical Charge controller.

Question: How much does an 11W solar panel cost?     This is precisely why controller efficiency is so critical.

With a peak charging efficiency of 99.9% and an operating current of only 4mA, more of the systems charging energy will get through a NC25A into your batteries than with any other regulator on the market.  Models are available for charging 12V, 24V, 36V, and 48V systems.  Use with Lead Acid, Gel, or Flooded Nicad battery technologies.

Dependability
There should never be such thing as a compromise to dependability when it comes to an alternative energy system charge controller as these systems are often located in hard to reach locations (mountain tops, ocean navigation buoys, polar regions, etc...).  We took great care to design the NC25 for long term unattended  operation; extensive transient voltage protection;  high steady-state voltage protection (it is not affected by continuous charging input voltages up to 100V, the point where the transient voltage protection kicks in); reverse polarity protection on battery connections; fully sealed electronics for 100% humidity operation; etc...  The NC25A is designed for Install and Forget operation.

Simple to Operate
The NC25A includes easy to read Charge and Divert Indicators, an adjustment for peak charge voltage, and an easy to use terminal strip for the system wire connections.  Because the system charge controller is usually located near the battery bank in a remote structure we chose not to incorporate power consuming monitors such as volt meters or current monitors.  If this type monitoring equipment is desired it should be installed after the system disconnect switch and located where you can view them.
 
Easy Upgrades
Upgrading the controller to regulate higher currents can be accomplished easily, and is relatively inexpensive.

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