http://www.qualitytolast.com/ps-15m.html

Morningstar PS-15M

Morningstar PS-15M-48V Prostar Charge Controller, 15A, 48V with meter

Morningstar’s ProStar is the world’s leading mid-range solar controller for both professional and consumer applications. This second generation ProStar:

Adds new features and protections using highly advanced technology
Provides longer battery life and improved system performance
Sets new standards for reliability and self-diagnostics

Standard Features:

Versions available: 15 or 30 amp 12 / 24 or 48 volt negative or positive ground
Estimated 15 year life
PWM series battery charging (not shunt)
3-position battery select: gel, sealed or flooded
Very accurate control and measurement
Jumper to eliminate telecom noise
Parallel for up to 300 amps
Temperature compensation
Tropicalization: conformal coating, stainlesssteel fasteners & anodized aluminum heat sink
No switching or measurement in the grounded leg
100% solid state
Very low voltage drops
Current compensated low voltage disconnect (LVD)
LED’s indicate battery status and faults
Capable of 25% overloads
Remote battery voltage sense terminals

Electrical Specifications:
12V 24V 48V
Temp. Comp. (mV/°C) (25°C reference) – 30mV – 60mV – 120mV
Accuracy 40mV 60mV 80mV
Min. voltage to operate 8V 8V 15V
Self-consumption 22mA 25mA 28mA
LVD current coefficient (per amp of load) – 20mV – 40mV – 80mV
Charge algorithm PWM, constant voltage
Operating temperature – 40°C to + 60°C
Digital Display:
Operating temperature – 30°C to + 85°C
Voltage accuracy 0.5%
Current accuracy 2.0%
Self-consumption 1 mA

Mechanical Specifications:
Weight: 12 oz (0.34 kg)
Dimensions: 6.01" x 4.14" x 2.17" (152.7 x 105.2 x 55.1 mm)
Wire Size: #6 AWG / 16 mm2

Please note that one is not able to control the frequency of battery equalization. Furthermore, the Prostar only equalizes up to 15.1 volts and most flooded lead acid batteries list 15.5 volts.

$169.00
+$12.00 UPS Ground shipping (Call for different shipping)

Credit Card Merchant

An alternative Payment method
Idaho residents please choose shipping with Idaho Sales tax added on the Authorize.Net payment form (check out) or your order will not be processed.