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December 1, 2023  
24 Volt to 90 Volt Solar Panel Battery Charge Controller  

High voltage 100 Amp Solar Battery Chargers and PV System Controllers

Solar Energy Battery Charge Controller
12V solar charge controllers
48 volt solar charge controller for wifi installations
  48V 20 Watt Volt Solar Charge Controller for WiFi Installations
This high power charge controller is most useful when you have high voltage panels and want flexibility in the battery voltage. It can operate with solar panels up to 200 Volt open circuit, and charge batteries between 24V and 100V (including 24V, 28V, 36V, 48V, 60V or 72V batteries) by user programming. It also enables a user-determined battery temperature compensation, and can handle power up to 10 kilowatts (100 volts output at 100 amps).

It uses maximum power point tracking, allowing the energy extracted from the solar panels to be maximized.

  • Microcontroller based pulsed charging system and user adjustable three-stage solar charging algorithm.
  • MPPT maximum power point tracking
  • Input and output current sensors.
  • Low noise, EMC tested
  • Battery temperature sensor, temperature compensated charging
  • Automatic dusk detect & On-Off operation at DC output.
  • Up to 97% efficiency at 100Amps
  • Battery voltage programmable by PC interface
  • Data logging capability
  • UL1741, CSA107.1 certification pending
  • CE certification pending
  • Back feed protection
  • Over voltage protection with shutdown
  • High voltage photovoltaic strings can be used

Model Price
PSMP-100 $1037
Allow 5 weeks for manufacturing

Detailed Specifications:
high volt photovoltaic charge controller
Lead Acid Battery Voltage (nominal) programmable through a PC interface
24 VDC
28 VDC
32 VDC
36 VDC

24V-90V, adjustable by the user by a PC RS232 interface

Maximum Solar PV panel open circuit voltage Voc
230 VDC
Minimum Solar PV panel voltage
4 volts above the battery charge voltage
Minimum Solar PV open circuit voltage Open cell voltage should be about 40% higher than the battery charge voltage to take advantage of the maximum power point
Maximum solar charge current
Maximum output power
Supported Battery Chemistries
Lead acid, Lithium Iron Phosphate
Typical output power
Standby quiescent current (no load or PV)
<3 Watts
Regulator/controller Weight
17 lbs, 7.7 kg
Battery charging algorithm
3 stage: bulk, absorption, float
495(W) x 225 (D) x 100 (H) mm
19.5 (W) x 8.9 (D) x 3.9 (H) inches
Operating Ambient Temperature for charge controller
-25° to +55 °C

(derate over 50°C)

Connections Marathon ST722, 300 V, 175A rating with two hole compression lugs on 0.625” centers with snap-on cover
marathon st722 screw terminals
Computer interface and status display
PC interface allows data logging, and output voltage and battery temperature monitor adjustment
MPPT Tracking Tracks within 5% of the maximum power extraction curve
No internal fuse on the output, we recommend a 100A in-line input circuit breaker or fuse
Data Logging PC Data logging software included

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PowerStream Technology
1163 South 1680 West
Orem, Utah 84058

Phone: 801-764-9060
Fax: 801-764-9061

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