High Performance Solar Street Light Lithium Battery Solutions

Solar Street Light Lithium Battery Configurations

MICRONIX manufactures high-performance Lithium-Ion and LiFePO4 battery packs for solar street light applications in multiple configurations based on cell type, voltage, capacity, and installation method. These batteries are designed for reliable long-term performance in outdoor environments where daily charging from solar panels and nightly discharge are continuous operating requirements.

Solar street lighting systems require batteries that can withstand:

Lithium battery technology offers higher energy efficiency, longer service life, lighter weight, faster charging, and maintenance-free performance compared to conventional battery technologies.

These batteries can be manufactured in two common construction formats:

Type Description
Flat Type Slim single-layer battery pack designed for integrated all-in-one solar street lights, generally fitted below the solar panel or inside compact fixture housing
Box Type Standard rectangular battery pack designed for external battery box mounting on pole, bracket, or fixture body

Advantages of Lithium Batteries for Solar Street Lights

Feature Benefit
Long Cycle Life Lithium batteries typically last 3 to 5 times longer than lead-acid batteries
High Energy Density More energy storage in compact dimensions
Maintenance Free No water topping, acid maintenance, or electrolyte handling
Faster Charging Better charge acceptance from solar panels during sunlight hours
Lightweight Easier installation and reduced fixture load
Built-in BMS Protection against overcharge, over-discharge, short circuit, and imbalance
High Efficiency Higher usable energy and lower energy loss
Longer Service Life LiFePO4 batteries can offer long service life in solar applications
Compact Design Suitable for all-in-one and compact outdoor light fixtures
Better Reliability Stable daily cycling performance for solar lighting duty

Common Technical Features

The following battery packs are manufactured using high-quality lithium cells with integrated battery protection and are suitable for solar street light duty applications.

Common Battery Features

Parameter Details
Construction Type Flat Type / Box Type
Protection Integrated BMS
Application Solar street lights, garden lights, pathway lights, outdoor lighting systems
Installation Inside all-in-one fixture, under solar panel, or external pole-mounted battery box
Dimensions Approximate dimensions only; final dimensions may vary slightly based on layout, BMS, wiring, insulation, connector, and enclosure design
Packing Type Soft Pack
Outer Material Blue PVC shrink wrap
Internal Protection Internal Protection

12.8V LiFePO4 Battery – 32700 Cell (3.2V 6Ah)

These battery packs are manufactured using 32700 LiFePO4 cylindrical cells with 3.2V nominal voltage and 6Ah cell capacity. This range is suitable for compact and medium-capacity solar street light applications where smaller battery dimensions are required.

Cell Specification

Parameter Specification
Cell Model 32700
Cell Diameter 32 mm
Cell Height 70 mm
Cell Voltage 3.2V
Cell Capacity 6Ah
Chemistry LiFePO4
Standard Battery Voltage 12.8V
Configuration 4 Series
Cycle Life 2000+ to 2500+ cycles

12.8V LiFePO4 Battery – 32700 Cell Configuration Table

Approx. Dimensions

Sl No Battery Capacity Configuration Cell Count Flat Type Size (L×W×H mm) Box Type Size (L×W×H mm)
1 12.8V 6Ah 4S1P 4 Cells 140*75*38 70*70*75
2 12.8V 12Ah 4S2P 8 Cells 140*140*38 140*68*75
3 12.8V 18Ah 4S3P 12 Cells 200*145*38 140*100*75
4 12.8V 24Ah 4S4P 16 Cells 290*140*38 140*140*75
5 12.8V 30Ah 4S5P 20 Cells 290*165*38 165*140*75
6 12.8V 36Ah 4S6P 24 Cells 290*200*38 200*140*75
7 12.8V 42Ah 4S7P 28 Cells 290*230*38 230*140*75
8 12.8V 48Ah 4S8P 32 Cells 290*260*38 260*140*75

12.8V LiFePO4 Battery – 32140 Cell (3.2V 15Ah)

These battery packs are manufactured using 32140 LiFePO4 cylindrical cells with 3.2V nominal voltage and 15Ah cell capacity. This range is suitable for higher-capacity solar street light systems, longer backup requirements, and installations requiring longer life and better cycling stability.

Cell Specification

Parameter Specification
Cell Model 32140
Cell Diameter 32 mm
Cell Height 140 mm
Cell Voltage 3.2V
Cell Capacity 15Ah
Chemistry LiFePO4
Standard Battery Voltage 12.8V
Configuration 4 Series
Cycle Life 2500+ cycles

12.8V LiFePO4 Battery – 32140 Cell Configuration Table

Approx. Dimensions

Sl No Battery Capacity Configuration Cell Count Flat Type Size (L×W×H mm) Box Type Size (L×W×H mm)
1 12.8V 15Ah 4S1P 4 Cells 140*140*38 140*68*70
2 12.8V 30Ah 4S2P 8 Cells 300*140*38 140*68*150
3 12.8V 45Ah 4S3P 12 Cells 430*140*38 140*100*150
4 12.8V 60Ah 4S4P 16 Cells 300*270*38 140*140*150
5 12.8V 75Ah 4S5P 20 Cells 380*300*38 140*170*150
6 12.8V 90Ah 4S6P 24 Cells 400*300*38 140*200*150
7 12.8V 105Ah 4S7P 28 Cells 465*300*38 140*235*150
8 12.8V 120Ah 4S8P 32 Cells 530*300*38 140*270*150

11.1V Lithium-Ion Battery – 18650 Cell (3.7V 2Ah)

These battery packs are manufactured using 18650 lithium-ion cells with 3.7V nominal voltage and 2Ah cell capacity. This range is suitable for compact solar street light systems, integrated solar lights, and low-to-medium energy storage requirements.

Cell Specification

Parameter Specification
Cell Model 18650
Cell Diameter 18 mm
Cell Height 65 mm
Cell Voltage 3.7V
Cell Capacity 2Ah
Chemistry Lithium-Ion
Standard Battery Voltage 11.1V
Configuration 3 Series

11.1V Lithium-Ion Battery – 2Ah Cell Configuration Table

Approx. Dimensions

Sl No Battery Capacity Configuration Cell Count Flat Type Size (L×W×H mm) Box Type Size (L×W×H mm)
1 11.1V 2Ah 3S1P 3 Cells 65*60*20 65*60*20
2 11.1V 4Ah 3S2P 6 Cells 130*60*20 60*40*65
3 11.1V 6Ah 3S3P 9 Cells 170*65*20 60*60*65
4 11.1V 8Ah 3S4P 12 Cells 130*120*20 60*75*65
5 11.1V 10Ah 3S5P 15 Cells 200*95*20 60*95*65
6 11.1V 14Ah 3S7P 21 Cells 140*200*20 60*140*65
7 11.1V 20Ah 3S10P 30 Cells 200*200*20 60*190*65
8 11.1V 30Ah 3S15P 45 Cells 290*200*20 60*290*65
9 11.1V 40Ah 3S20P 60 Cells 290*260*20 120*200*65
10 11.1V 50Ah 3S25P 75 Cells 480*200*20 120*380*65

11.1V Lithium-Ion Battery – 18650 Cell (3.7V 2.6Ah)

These battery packs are manufactured using 18650 lithium-ion cells with 3.7V nominal voltage, 2.6Ah capacity, and 3C discharge capability. This range is suitable for solar street light applications requiring better discharge performance and improved energy density.

Cell Specification

Parameter Specification
Cell Model 18650
Cell Diameter 18 mm
Cell Length 65 mm
Cell Voltage 3.7V
Cell Capacity 2.6Ah
Chemistry Lithium-Ion
Discharge Rate 3C
Standard Battery Voltage 11.1V
Configuration 3 Series
Cycle Life 1000 cycles

11.1V Lithium-Ion Battery – 2.6Ah Cell Configuration Table

Approx. Dimensions

Sl No Battery Capacity Configuration Cell Count Flat Type Size (L×W×H mm) Box Type Size (L×W×H mm)
1 11.1V 2.6Ah 3S1P 3 Cells 65*60*20 65*60*20
2 11.1V 5.2Ah 3S2P 6 Cells 130*60*20 60*40*65
3 11.1V 7.8Ah 3S3P 9 Cells 170*65*20 60*60*65
4 11.1V 10.4Ah 3S4P 12 Cells 130*120*20 60*75*65
5 11.1V 15.6Ah 3S5P 18 Cells 130*175*20 60*120*65
6 11.1V 20.8Ah 3S8P 24 Cells 130*230*20 60*160*65
7 11.1V 26Ah 3S10P 30 Cells 200*200*20 60*190*65
8 11.1V 36Ah 3S14P 42 Cells 200*270*20 130*140*65
9 11.1V 50Ah 3S19P 57 Cells 200*365*20 130*220*65

14.8V Lithium-Ion Battery – 18650 Cell (3.7V 2Ah)

These battery packs are manufactured using 18650 lithium-ion cells with 3.7V nominal voltage and 2Ah capacity in 4 series configuration. This range is suitable for solar street light systems requiring 14.8V nominal battery packs.

Cell Specification

Parameter Specification
Cell Model 18650
Cell Diameter 18 mm
Cell Length 65 mm
Cell Voltage 3.7V
Cell Capacity 2.6Ah
Chemistry Lithium-Ion
Discharge Rate 3C
Standard Battery Voltage 11.1V
Configuration 3 Series
Cycle Life 1000 cycles

11.1V Lithium-Ion Battery – 2.6Ah Cell Configuration Table

Approx. Dimensions

Sl No Battery Capacity Configuration Cell Count Flat Type Size (L×W×H mm) Box Type Size (L×W×H mm)
1 11.1V 2.6Ah 3S1P 3 Cells 65*60*20 65*60*20
2 11.1V 5.2Ah 3S2P 6 Cells 130*60*20 60*40*65
3 11.1V 7.8Ah 3S3P 9 Cells 170*65*20 60*60*65
4 11.1V 10.4Ah 3S4P 12 Cells 130*120*20 60*75*65
5 11.1V 15.6Ah 3S5P 18 Cells 130*175*20 60*120*65
6 11.1V 20.8Ah 3S8P 24 Cells 130*230*20 60*160*65
7 11.1V 26Ah 3S10P 30 Cells 200*200*20 60*190*65
8 11.1V 36Ah 3S14P 42 Cells 200*270*20 130*140*65
9 11.1V 50Ah 3S19P 57 Cells 200*365*20 130*220*65

14.8V Lithium-Ion Battery – 18650 Cell (3.7V 2Ah)

These battery packs are manufactured using 18650 lithium-ion cells with 3.7V nominal voltage and 2Ah capacity in 4 series configuration. This range is suitable for solar street light systems requiring 14.8V nominal battery packs.

Cell Specification

Parameter Specification
Cell Model 18650
Cell Diameter 18 mm
Cell Length 65 mm
Cell Voltage 3.7V
Cell Capacity 2Ah
Chemistry Lithium-Ion
Standard Battery Voltage 14.8V
Configuration 4 Series

14.8V Lithium-Ion Battery – 2Ah Cell Configuration Table

Approx. Dimensions

Sl No Battery Capacity Configuration Cell Count Flat Type Size (L×W×H mm) Box Type Size (L×W×H mm)
1 14.8V 2Ah 4S1P 4 Cells 65*80*20 65*80*20
2 14.8V 4Ah 4S2P 8 Cells 130*80*20 80*40*65
3 14.8V 6Ah 4S3P 12 Cells 130*120*20 80*60*65
4 14.8V 8Ah 4S4P 16 Cells 130*80*20 80*75*65
5 14.8V 10Ah 4S5P 20 Cells 200*130*20 80*95*65
6 14.8V 14Ah 4S7P 28 Cells 270*130*20 80*140*65
7 14.8V 20Ah 4S10P 40 Cells 260*200*20 80*190*65
8 14.8V 30Ah 4S15P 60 Cells 260*290*20 80*290*65
9 14.8V 40Ah 4S20P 80 Cells 260*380*20 160*200*65
10 14.8V 50Ah 4S25P 100 Cells 480*260*20 160*380*65

14.8V Lithium-Ion Battery – 18650 Cell (3.7V 2.6Ah)

These battery packs are manufactured using 18650 lithium-ion cells with 3.7V nominal voltage, 2.6Ah capacity, and 3C discharge capability in 4 series configuration.

Cell Specification

Parameter Specification
Cell Model 18650
Cell Diameter 18 mm
Cell Length 65 mm
Cell Voltage 3.7V
Cell Capacity 2.6Ah
Chemistry Lithium-Ion
Discharge Rate 3C
Standard Battery Voltage 14.8V
Configuration 4 Series
Cycle Life 1000 cycles

14.8V Lithium-Ion Battery – 2.6Ah Cell Configuration Table

Approx. Dimensions

Sl No Battery Capacity Configuration Cell Count Flat Type Size (L×W×H mm) Box Type Size (L×W×H mm)
1 14.8V 2.6Ah 4S1P 4 Cells 65*80*20 65*80*20
2 14.8V 5.2Ah 4S2P 8 Cells 130*80*20 80*40*65
3 14.8V 7.8Ah 4S3P 12 Cells 130*120*20 80*60*65
4 14.8V 10.4Ah 4S4P 16 Cells 130*80*20 80*75*65
5 14.8V 15.6Ah 4S6P 24 Cells 130*230*20 80*130*65
6 14.8V 20.8Ah 4S8P 32 Cells 130*305*20 80*155*65
7 14.8V 26Ah 4S10P 40 Cells 260*200*20 80*190*65
8 14.8V 36Ah 4S14P 56 Cells 260*280*20 160*130*65
9 14.8V 52Ah 4S20P 80 Cells 260*380*20 160*200*65

Smart Battery and Custom Battery Solutions

MICRONIX develops custom lithium battery packs for solar street light manufacturers, EPC companies, smart city projects, municipal lighting projects, OEMs, and infrastructure contractors.

Battery packs can be designed as per customer-specific voltage, capacity, dimensions, communication protocol, enclosure requirement, and application duty cycle.

Available Customization Options

Feature Available Option
Voltage Any voltage as per customer requirement
Capacity Any Ah rating as per backup requirement
Size Custom dimensions for fixture, panel-mount, or box installation
Packing Soft pack, flat pack, rectangular box pack
Enclosure Optional ABS / IP65 / outdoor enclosure
Connectors Custom connector and wiring harness options
BMS Standard BMS / Smart BMS
Bluetooth Bluetooth-enabled monitoring optional
IoT IoT-enabled battery monitoring system optional
Communication CAN / RS485 / UART based options available
Tracking GPS tracking integration optional
Monitoring Remote monitoring for smart city lighting systems
Branding OEM branding and private label options available

These battery packs can be developed for:

  • All-in-one integrated solar street lights
  • Semi-integrated solar street lights
  • Pole-mounted external battery box systems
  • Municipal lighting projects
  • Smart city projects
  • Highway solar lighting installations
  • Garden and pathway solar lighting systems

Packing

Feature Details
Packing Type Soft Pack
Outer Material Blue PVC shrink wrap
Internal Protection Epoxy sheet insulation
Protection Circuit Integrated BMS

Optional IP65 Enclosure

Feature Available Option
Enclosure Type ABS IP65 waterproof enclosure
Protection Dustproof and rainproof
Application Outdoor solar street light battery installation
Cost Range ₹150 to ₹1500 depending on size
Installation Battery fixed inside enclosure

Applications

These lithium batteries are widely used in:

  • Solar street lights
  • Solar garden lights
  • Smart city lighting systems
  • Highway lighting projects
  • Industrial campuses
  • Parks and public infrastructure
  • Rural electrification projects
  • Pathway and landscape lighting
  • Commercial outdoor solar lighting systems
  • Institutional and campus solar lighting systems

MICRONIX

Enquiry Form