Post Top: Solar Central Enhanced – 100 Watt / 140 Ah

Part Number: M75-SPTOP-140C

Summary

The Post Top Solar Kit provides a high-capacity solar power solution for TraffiCalm radar speed signs using a 100-watt solar panel and a robust 140 Ah battery bank. Designed for top-of-pole installation, this enhanced configuration supports long-duration operation in cloudy, shaded, or high-load environments. The complete system includes solar panel, mounting hardware, controller, battery enclosure, wiring, and weather-sealed electronics for reliable year-round performance.

Product Options

The Solar Central Enhanced Kit is available under a single configuration: M75-SPTOP-140C.

Included hardware and components are fixed as listed in the specifications.

Specifications

Physical Descriptions

• Mounting: Universal bracket accommodates 4.5" OD round posts
• NEMA 3R weatherproof battery enclosure
• Electronics hardened and potted for moisture protection
• Stainless steel fasteners for corrosion resistance
• Solar panel dimensions: 51.18” L × 20.79” W × 1.97” D (130 cm × 52.81 cm × 5 cm)
• Battery box dimensions: 35.5” H × 11” W × 8.2” D (90.17 cm × 27.94 cm × 20.83 cm)
• Total system weight: 154 lb (69.85 kg), including four 35 Ah batteries and battery box

Solar Panel Power Specs

• Maximum Power (Pmax): 100 W
• Voltage at Pmax (Vmp): 18.50 V
• Current at Pmax (Imp): 5.94 A
• Open Circuit Voltage (Voc): 22.40 V
• Short-Circuit Current (Isc): 5.94 A
• Temperature coefficient of Voc: −(80 ± 10) mV/°C
• Temperature coefficient of Isc: (0.065 ± 0.015)%/°C
• Temperature coefficient of power: −(0.5 ± 0.05)%/°C
• NOCT: 47 ± 2 °C
• Maximum system voltage: 1000 V DC
• Operating temperature: −40°F to +185°F (−40°C to +85°C)

Battery Specs

• Quantity 4 AGM batteries (35 Ah each)
• 12 V AGM, valve-regulated, spill-proof, high-energy density
• Nominal capacity: 35 Ah each
• Internal resistance: 8 milliohms
• Maximum discharge current (7 min): 105 A
• Battery dimensions: 7.72” L × 5.14” W × 6.22” H (19.61 cm × 13.06 cm × 15.8 cm)
• Approx. weight per battery: 24.7 lb
• Operating temperature:
  • Charge: −4°F to 122°F (−20°C to 50°C)
  • Discharge: −40°F to 140°F (−40°C to 60°C)

Construction

• 1/16" (0.06", 1.58 mm) thick aluminum NEMA 3R enclosure
• Spun aluminum and powder-coated cast steel structure
• Lockable battery housing with included key
• Standard DOT green powder-coat finish
• Replacement keys available upon request

Bracket

• Wind load rating: 90 MPH (145 KPH)
• Snow load rating: 1.1 kN/m²
• Designed for post-top installation
• Mount provisions for optional beacon assemblies

Environmental

• Operating system temperature range: −40°F to +185°F (−40°C to +85°C)

Warranty

• 3-year limited warranty on the solar kit
• 1-year warranty on batteries
• Unlimited technical support included

Why Choose the Post Top Solar Kit – 100 W / 140 Ah?

• Quad-battery 140 Ah storage supports extended runtime and extreme environments
• 100 W panel provides strong solar collection
• Clean and compact post-top installation
• Optimized for northern latitudes and variable sun conditions
• Weather-resilient enclosure and potted electronics
• Build America / Buy America compliant
• Manufactured in an ISO 9001:2015 facility
• Reliable, proven field performance across thousands of deployments