Solar Integrated Street Light Using LiFePO4 Lithium Battery | All-in-One Solar LED Street Light

Why LiFePO4 Battery Matters for Solar Street Lights

Superior Safety & Longevity

LiFePO4 batteries feature stable P-O bond crystal structure that won't collapse or overheat under extreme conditions. Unlike lithium cobalt oxide or lead-acid alternatives, LiFePO4 delivers 2,000+ deep discharge cycles with no memory effect-lasting 7-8 years compared to 1-1.5 years for lead-acid batteries. 

All-Weather Performance

   
Operating temperature: -20°C to +75°C

Thermal stability: Electric heating peak reaches 350°C-500°C

Over-discharge protection: Even discharged to 0V and stored for 30 days, capacity recovers to 98% after recharging-unique to LiFePO4 chemistry 

Lightweight & Eco-Friendly

Same capacity LiFePO4 battery is 1/3 the weight and 2/3 the volume of lead-acid. SGS-certified non-toxic, RoHS compliant, with no heavy metals or rare earth elements.

Parameter  Specification    
Solar Panel                     High-efficiency monocrystalline silicon, 18V/70W-110W (model dependent), 25-year lifespan    
Battery Type                  LiFePO4 lithium iron phosphate, 12.8V/24V options    
Battery Capacity           24Ah-60Ah (customizable)    
Battery Lifespan            8+ years / 2,000+ cycles    
LED Power                      30W-200W (model range)    
Luminous Efficacy         180-195 lm/W    
LED Lifespan                   50,000 hours    
Controller                        MPPT with light control + time control + PIR/microwave sensor    
Charging Time                6-7 hours (full sunlight)    
Working Time                 12 hours (bright mode); >40 hours (dim mode)    
Rainy Day Backup           3-5 consecutive days    
Working Temperature    -30°C to +80°C    
IP Rating                             IP65/IP66 waterproof    
Material                             Die-cast aluminum alloy housing    
Mounting Height              4-12 meters    
Installation Distance        15-40 meters    
Warranty                             3-5 years    
Certifications                      CE, RoHS, IP65/IP66, TUV-SUD    
Key Features & Advantages

1. True All-in-One Design

Solar panel, LED light source, LiFePO4 battery, and smart controller integrated into one compact unit. No external battery box, no cable connections, no complex wiring.

2. Intelligent Energy Management

Light control: Auto on/off at dusk/dawn
Time control: Programmable lighting schedules
Motion sensing: PIR or microwave radar sensor for dimming when no movement detected
Smart optimization: Calculates remaining battery capacity, weather conditions, and daylight hours to ensure reliable illumination

3. Rapid Installation

Mount on pole in 5 minutes with standard tools. No electrical grid connection, no trenching, no cable costs. Ideal for remote locations and new road projects.

4. Maintenance-Free Operation

Sealed LiFePO4 battery with integrated BMS (Battery Management System) prevents overcharge, over-discharge, and short circuits. Zero maintenance for 5+ years.

5. Cost Efficiency

Zero electricity bills after installation
70% lower transport costs vs. split-type solar lights
Modular battery design allows easy replacement without replacing entire fixture

Model Selection Guide

Model          LED Power      Solar Panel      Battery        Mounting Height      Lighting Area    
HP-SSL-30        30W                   60W         12.8V/20Ah             4-5m                15-20m spacing    
HP-SSL-50        50W                   70W          12.8V/30Ah             6-7m                25-30m spacing    
HP-SSL-100      100W                110W          24V/24Ah               8-10m              15-20m spacing    
HP-SSL-150      150W                160W          24V/40Ah               10-12m            20-30m spacing    
HP-SSL-200      200W                200W+         24V/60Ah              10-12m            25-40m spacing    

Custom wattages and battery configurations available for OEM/ODM orders. 

Quality Assurance & Certifications

ISO9001 quality management system
CE & RoHS compliance for European markets
IP65/IP66 dust and waterproof rating
TUV-SUD certified components
Comprehensive 3-5 year warranty with technical support

Frequently Asked Questions (FAQ)

Q: How long does the LiFePO4 battery last in solar street lights? A: Typically 5-10 years (2,000-5,000 cycles) with proper depth-of-discharge management. LiFePO4 handles 80% daily discharge without degradation. citeweb_search:1#9
Q: Can these lights work during cloudy/rainy weather? A: Yes. The intelligent controller optimizes power allocation, and the battery provides 3-5 days of autonomy. MPPT controllers boost charging efficiency by 20-30% even in low-light conditions.
Q: Are lithium batteries safe for outdoor use? A: LiFePO4 is the safest lithium chemistry available. Stable thermal runaway threshold, non-flammable, and IP65/67 sealed aluminum housing protects against water and dust.
Q: Can I replace the battery without changing the whole light? A: Yes. Our modular design allows battery replacement in minutes, extending fixture life beyond 10 years.
Q: What mounting pole is required? A: Standard steel or aluminum poles with 60-76mm diameter at top. We supply compatible mounting brackets.

Why Choose Haopai Energy?

15+ years solar lighting manufacturing experience
OEM/ODM customization for wattage, battery capacity, color temperature, and pole mounting
Global exports to 50+ countries with CE/ROHS certified production
Fast delivery: 25-30 days for bulk orders, sample orders welcome
Technical support: Remote monitoring and IoT control options available

Ready to upgrade your outdoor lighting? Contact us for a free project assessment and quotation.

Why choose us?

• Our products are designed to meet the needs of customers who require top-quality solar lighting solutions.
• We are committed to providing customized products of Solar Integrated Street Light Using Lithium Iron Phosphate Battery LiFePO4 for customers in different industries, offering professional, rapid and one-stop service.
• We are a leading supplier of solar street lighting products worldwide.
• We believe that products represent people's character and product quality is the character and self-respect of our company.
• We have the expertise and equipment to create customized solar lighting solutions for any application.
• We are committed to establishing a sincere and reliable long-term cooperative relationship with customers and grow with their growth.
• Our solar lighting solutions are designed to meet the most demanding requirements of customers.
• Our company has many years of working experience in the industry, responsible for market development, have a certain understanding of the Solar Integrated Street Light Using Lithium Iron Phosphate Battery LiFePO4 market.
• Our solar street lights are backed by a comprehensive warranty and excellent after-sales service.
• We can fully understand our employees, stimulate their enthusiasm and creativity, and turn their knowledge capital into our productivity.