Soltech I Integrated Street Light

Two views of a solar light fixture. Lights on bottom and solar panel on top.

Overview

SOLTECH I is a high-efficiency integrated solar street-light system engineered for dependable off-grid or hybrid operation. It combines advanced monocrystalline solar panels (up to 23 % efficiency) with long-life LiFePO₄ batteries rated for 4,000 + cycles and 5 – 10 years of use. The system delivers powerful, energy-efficient illumination—up to 210 lm/W—through premium 5050 LED chips and a precision-engineered optical lens for wide, uniform coverage.

The integrated design houses the solar module, LED fixture, battery, controller, and motion sensor in a single weather-sealed (IP67/IP66) assembly, ensuring fast installation and minimal maintenance. Intelligent MPPT and hybrid controllers optimize solar tracking and charge efficiency, while adaptive lighting modes automatically adjust brightness based on motion and ambient light conditions to extend battery life through the night.

With models ranging from 20 W to 90 W and outputs up to 18,900 lumens, SOLTECH I suits diverse roadway, parking-lot, and pathway applications. The system supports remote control, NEMA 7-pin connectivity, and a variety of Type II/III/M light-distribution options. Certified for CE and ROHS compliance, it offers a reliable, sustainable lighting solution built to perform in environments from –35 °C to +65 °C.

Features

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The entire lighting system is guaranteed for 5 years and the 10 years guaranteed for battery maintenance
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Using Grade A+ battery cell, the battery cycle life more than 4000 times
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Premium-grade Integrated All-in-one Design, Easy to Install and Maintain.
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High Luminous Efficiency of 190 LM/W – 210 LM/W to Maximize Battery Performance.
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Light On/Off and Dimming Programmable Smart Lighting.
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Pivoting LED Modules Deliver the Best Lighting Control.
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Zero carbon emission
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Ip66 Luminaire Ensures Long Lasting and Consistent High Performance.
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No Trenching or Cabling Work Needed.

Monocrystalline Solar Panel

  • High power density reach to 23% conversion efficiency.
  • Multi-busbar design makes the solar panel with higher durability.
  • PV modules have demonstrated resistance against PID (Potential induced degradation).
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MPPT Smart Controller

  • High tracking efficiency >99.9%.
  • If battery voltage is low, it can be set to dimming or directly use the grid power to light up.
  • Dimming start voltage and percentage can be set.
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High Performance Battery Pack

  • Grade A+ battery cells used.
  • High efficiency with light weight.
  • Safety and a long lifespan.
  • No active maintenance.
  • High discharge rates.
  • Suitable for extreme temperatures.

Hybrid AC Driver

  • High efficiency (up to 92%).
  • Constant voltage output.
  • No-load power < 0.5 W.
  • Input surge protection: DM 4KV, CM 6KV.
  • All-around protection: OCP, OVP, SCP, OTP.
  • IP67.
  • SELV output.

Installation Spacing

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System & Hardwares

Automatic Light On/off & Dimming Control

  • By time setting
  • On/off or dimming with motion sensor detection
  • On/off or dimming with photocell detection

Accurate Operation & Fault Monitor

  • Real-time monitor on each light working status
  • Accurate report on fault detected
  • Provide location of fault, no patrol required
  • Collect each light operation data, such as voltage, current, power consumption

Extra I/O Ports for Sensor Expandability

  • Environment Monitor
  • Traffic Monitor
  • Security Surveillance
  • Seismic Activities Monitor

Reliable Mesh Network

  • Self proprietary wireless control node
  • Reliable node to node, gateway to node communication
  • Up to 1000 nodes per network
  • Max. network diameter 2000m

Easy-to-use Platform

  • Easy monitor on each and all lights status
  • Support lighting policy remote set-up
  • Cloud server accessible from computer or hand-held device
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Specifications (OFF-GRID) *All specifications & parameters @25° & subject to change without notice. All data tolerance +/- 5%

Part#PowerModulesEfficacy S SeriesSystem LumenSolar PanelBatteryProduct Dimensions
KS-STLS-I-2020W1210 LM/W4,200 LM55W/18V12.8V/12AH, 12.8V/18AH, 12.8V/24AH958×370×287mm
KS-STLS-I-3030W1210 LM/W6,300 LM55W/18V12.8V/18AH, 12.8V/24AH, 12.8V/30AH958×370×287mm
KS-STLS-I-4040W1210 LM/W8,400 LM55W/18V12.8V/18AH, 12.8V/24AH, 12.8V/30AH958×370×287mm
KS-STLS-I-5050W1210 LM/W10,500 LM75W/18V12.8V/24AH, 12.8V/30AH, 12.8V/36AH1270×370×287mm
KS-STLS-I-6060W2210 LM/W12,600 LM75W/18V12.8V/24AH, 12.8V/30AH, 12.8V/36AH1270×370×287mm
KS-STLS-I-8080W2210 LM/W16,800 LM105W/36V25.6V/18AH, 25.6V/24AH, 25.6V/36AH, 25.6V/42AH1170×550×287mm
KS-STLS-I-9090W2210 LM/W18,900 LM105W/36V25.6V/18AH, 25.6V/24AH, 25.6V/36AH, 25.6V/42AH1170×550×287mm

Specifications* (HYBRID) *All specifications & parameters @25° & subject to change without notice. All data tolerance +/- 5%

Part#PowerModulesEfficacy S SeriesSystem LumenSolar PanelBatteryProduct Dimensions
KS-STLS-I-20H20W1190 LM/W3,800 LM55W/18V12.8V/12AH, 12.8V/18AH, 12.8V/24AH958×370×287mm
KS-STLS-I-30H30W1190 LM/W5,700 LM55W/18V12.8V/18AH, 12.8V/24AH, 12.8V/30AH958×370×287mm
KS-STLS-I-40H40W1190 LM/W7,600 LM55W/18V12.8V/18AH, 12.8V/24AH, 12.8V/30AH
KS-STLS-I-50H50W1190 LM/W9,500 LM75W/18V12.8V/24AH, 12.8V/30AH, 12.8V/36AH1270×370×287mm
KS-STLS-I-60H60W2190 LM/W11,400 LM75W/18V12.8V/24AH, 12.8V/30AH, 12.8V/36AH1270×370×287mm
KS-STLS-I-80H80W2190 LM/W15,200 LM105W/36V25.6V/18AH, 25.6V/24AH, 25.6V/36AH, 25.6V/42AH1170×550×287mm
KS-STLS-I-90H90W2190 LM/W17,100 LM105W/36V25.6V/18AH, 25.6V/24AH, 25.6V/36AH, 25.6V/42AH1170×550×287mm

EPA Value

Part#PowerHorizontal Angle Solar Panel (°)EPA (ft²)
KS-STLS-I-2020W00.31
KS-STLS-I-3030W50.33
KS-STLS-I-4040W100.67
KS-STLS-I-5050W150.99
KS-STLS-I-6060W201.31
KS-STLS-I-8080W251.62
KS-STLS-I-9090W301.92

Solar Panel Specifications

Maximum Power (Pmax/W)Open Circuit Voltage (Voc/V)Short Circuit Current (Isc/A)Maximum Power Voltage (Vmp/V)Maximum Power Current (Imp/A)Module Efficiency (%)Output Tolerance (%)Operating TemperatureWind Load/Snow LoadNOCTTemp Coefficient of IscTemp Coefficient of VocTemp Coefficient of Pmax
5522.83.25183.124±340°C~+85°C2400pa/5400pa45±2°C+0.046%/°C-0.275%/°C-0.350%/°C
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10543.23.15362.9

High Performance Battery Pack Grade A+ Cell Specifications

Specification12Ah18Ah24Ah30Ah18AH24AH
Nominal Voltage12.8V25.6V
Charging Voltage14.6V29.2V
Load Voltage≥12V≥24V
Standard Charging Method5A(CC) charging to 14.6V; After CV(DC 14.6V) Charge until charging current ≤0.02C5A(CC) charging to 29.2V; After CV(DC 29.2V) Charge until charging current ≤0.02C
Max Charging Current≤10A≤20A
Max Discharge Current≤10A≤20A
Over Current≤10A≤20A
Cut OFF Discharge Voltage10V20V
Operating Temperature RangeStandard LiFePO4: Charge: 0°C–60°C / 32°F–140°F & Discharge: -20°C–60°C / -4°F–140°F; Advanced LiFePO4: Charge: -20°C–60°C / -4°F–140°F & Discharge: -20°C–60°C / -4°F–140°F
Storage-20°C~60°C
Battery CategoryLiFePO4
Cycle Life≥4000

MPPT Charge Controller Indicator Functions

LEDStatusFunction
Green LEDOnSolar panel is correctly connected, but not charged
Green LEDFast flash (0.1s/0.1s)Charging
Green LEDFlash (0.5s/0.5s)Equal or Boost Charging
Green LEDSlow flash (0.5s/2s)Float Charging, Lithium constant voltage charge
Yellow LEDOffOver voltage protection
Yellow LEDOnBattery is normal
Yellow LEDSlow flash (0.5s/2s)Battery voltage is low
Yellow LEDFast flash (0.1s/0.1s)Low voltage protection
Red LEDOffWork normal (Standard version)
Red LEDOnThe output power is 0
Red LEDSuper slow (0.2s/5s)Open circuit protection
Red LEDFlash (0.5s/0.5s)Over temperature
Red LEDFast flash (0.1s/0.1s)Short circuit or Over current protection

MPPT Charge Controller Specifications

CategorySpecificationDetails
Battery ParametersSystem Voltage12V / 12V/24V / 12V/24V / 12V/24V
Max Charging Current8A / 10A / 15A / 20A
Battery TypeLithium
Charging Volt. Target10.0~17.0V (Programmable, default: 12.6V) / 10.0~32.0V (Programmable, default: 12.6V)
Charging Volt. Recovery9.2~16.8V (Programmable, default: 12.4V) / 9.2~31.8V (Programmable, default: 12.4V)
Low voltage disconnect9.0~15.0V (Programmable, default: 9.0V) / 9.0~30.0V (Programmable, default: 9.0V)
Low voltage reconnect9.6~16.0V (Programmable, default: 9.8V) / 9.6~31.0V (Programmable, default: 9.8V)
0 Charging protectionYes, Slow, No (Programmable)
Panel ParametersMax volt on PV terminal60V / 55V / 55V
Max input power100W~120W / 130W~260W / 200W~400W / 260W~520W
Dusk/Dawn detect volt.3.0~8.0V Programmable / 3.0~20.0V Programmable
Day/Night delay time0~30min Programmable
MPPT tracking rangeBattery Voltage +1.0V ~ Voc×0.9
Load ParametersOutput Power1~60W / 10~60W / 20~120W / 10~90W / 20~180W
Output Voltage20~55V / 15~60V / 35~60V / 20~55V / 30~55V
Current setting range0.15~3.0A Programmable / 0.15~4.0A Programmable / 0.15~6.0A Programmable
Min current100mA Dimming
Current precision±2%
Dimming0~100% Programmable
Voltage of start dimming10.0~17.0V (Lithium) / 10.0~32.0V (Lithium)
Dimming percentage1~20% Programmable
Max tracking efficiency>99.9%
Max charge conversion97.5%
Max LED driver efficiency96%
System ParametersCommunication modeInfrared / 2.4G / RS485
Induction modeInfrared Human Sensing / Microwave Sensing
Self consumption6~25mA
Ambient temperature-35°C~+60°C
Ambient humidity0~100%RH
Protection degreeIP67
Max Altitude4000m

Photometric Report

Downloads

You can download all of this information and more in PDF format here.