24 V Solar Panel to 72 V Lead Acid Battery Charger

Application

Used to charge a 72 V battery @ 3 amps max from a 24 V, 10-240 Watt nominal Solar Panel.
Typical usage would be to charge a 72 V electric car battery from a 24 V solar panel.

Model: CV 24/72-3PV


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Features

  • Low Cost
  • High Performance
  • Nominal Maximum Power Point Tracking
  • Input Power Limited to Prevent Over-loading
  • Rugged boost voltage design
  • NEMA 4 enclosure (weatherproof)
  • Very High Efficiency >95 % typical

Electrical Specifications

Input Voltage (V) 0 - 44 V (24 V nominal Solar Panel)
Output Voltage (V) +/- 2%
 84
Output Current (Amps) 3
Current Limited * 4
Input Fuse 25 amp Automotive Fuse
Quiescent Current from Solar Panel 15 mA
Quiescent Current from Battery <36 micro-A
Efficiency 92 - 96 % depending on loading and state of charge

* Note: limited by input power characteristics

Mechanical Specifications

Enclosure:

  • NEMA 4 Enclosure
Dimensions:
  • 4" X 2" X 2" nominal
Weight:
  • approx 1.8 lbs.
Temperature Range:
  • -40 deg C to 50 deg C
  • It is recommended, as with all electronics, that the unit not be placed in direct sunshine
Terminations:
  • 6" Flying Leads
  • Power #12 AWG
  • White: Battery +
  • Black and Blue: Battery - and Solar Panel -
  • Red: Solar Panel +
  • Humidity:
  • 0 - 90 % non-condensing

Mechanical Drawing: Click here for picture

Order Model No:

CV 24/72-3PV

Other battery chemistries may be charged and odd voltage panels may be accommodated by factory adjustment. Contact the factory for other battery charge voltages and panel sources.

Note: In the interest of continuous product improvement, specifications subject to change without notice.