Skype: Hurricane Wind Power
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;
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.
|Charge Input Voltage|
|Allowable Battery Voltage on Sense Wires |
(Multiply by 2, 3, or 4 for 24V, 36V, or 48V Systems)
|Standby/Operating Current of the Controller|
|Occasional Short Term Over-Current (1/2 Second Max.)|
|Total Charging Efficiency|
|Insertion Loss Resistance (Ohms)|
|Charge Divert Current|
|Charge Divert Over Current (1/2 Second)|
|Transient Surge Protection (20uS)|
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All prices are in USD.