All-in-One Solar Street Light 30W–100W | China OEM

What This Product Is

An all-in-one solar street light integrates the photovoltaic panel, lithium battery, LED module, charge controller, and motion sensor into a single sealed housing that mounts on top of a pole. The 30W–100W LED power range serves rural roads, car parks, perimeter paths, and off-grid sites where trenching grid power is uneconomical. Where grid power is available, a conventional grid-powered LED street light delivers higher output for less per fixture, so the all-in-one format only makes sense off-grid. Because the product is a closed system, the real-world performance depends almost entirely on battery capacity, solar charging efficiency, and LED efficacy — all of which are commonly misrepresented in supplier catalogues.

What to Check When Sourcing All-in-One Solar Street Lights from China

All-in-one solar street lights (also known as integrated solar street lights) often look identical across varying price points; the true difference lies in battery capacity (frequently misrepresented), LED efficacy, and charge controller quality. Our sourcing service helps you cut through the noise and identify reliable OEM manufacturers with verifiable performance data for commercial solar lighting projects. For products with integrated lithium batteries and power management, our power electronics expertise extends to evaluating BMS quality and charge controller design.

Battery capacity verification. A 30W LED fixture running for 10 hours requires at least 300Wh of usable energy. With an integrated 18V monocrystalline solar panel and 80% overall system efficiency, the battery must hold at least 375Wh. Demand the actual battery capacity spec (Wh or Ah × V) and discharge-test samples before committing to wholesale solar lights. Common practice in China is to quote the battery capacity at a theoretical 12V nominal — verify using the actual operating voltage of the lithium pack (typically 12.8V for LiFePO4 or 11.1V for LiPo 3S).

LiFePO4 vs. LiPo battery. Many budget all-in-one lights use LiPo batteries because they’re cheaper and lighter. LiPo is less suitable for outdoor use: capacity degrades faster in heat, and the swelling failure mode is a fire risk in a sealed housing. For reliability in hot climates, specify LiFePO4 explicitly.

Motion sensor coverage vs. fixture height. A PIR sensor rated for “8m detection” performs differently at 5m vs. 8m pole height. Request a vertical/horizontal detection pattern diagram from the factory and test samples at your intended installation height. PIR sensitivity degrades in cold weather — test at 5°C if the product will be installed in northern European or North American climates.

LED efficacy — lumens per watt. The stated wattage of an all-in-one solar light is the panel charging wattage, not the LED consumption. A “60W solar light” typically uses a 20–25W LED. Verify the LED efficacy (lumens per watt) independently — quality LED modules achieve 160–180 lm/W; budget modules achieve 80–100 lm/W. The same efficacy and binning questions apply across our LED lighting sourcing work, where lumen claims are routinely inflated. At the same battery capacity, a more efficient LED produces substantially more usable light per night.

Charging controller quality. The PWM or MPPT charge controller integrated into the unit determines how efficiently solar energy is converted to battery charge. A budget PWM controller operating at 18V input into a 12.8V LiFePO4 battery wastes approximately 30% of available solar energy. Specify MPPT-based charge controllers for any unit above 30W LED power; the efficiency gain pays back the cost difference within a year.

IP65 housing and gasket integrity. IP65 protects against water jets but not immersion. Inspect the housing gasket on samples — rubber gaskets in polycarbonate housings are a common failure point after 12–18 months of UV exposure and thermal cycling. Specify silicone gaskets and verify with a water jet test on 5 sample units.

Typical Specifications Buyers Should Confirm

• Solar panel: Monocrystalline cells with ≥19% efficiency; panel wattage should be 2.5–3× the LED wattage for temperate climates, higher for high-latitude or cloudy sites.
• Battery: LiFePO4 at 12.8V nominal, with cell-level BMS and low-temperature charge cutoff. Specify usable Wh, not theoretical Ah at 12V.
• Dimensions and pole fit: Fixture length varies from 600mm for 30W units to over 1,000mm for 100W units; confirm arm/pole mounting hardware is included and rated for local wind loads.
• Certifications: CE, RoHS, and IP65. Production is concentrated in Zhongshan for the lighting assembly and Shenzhen for the battery and controller integration.

Common Quality Issues with Integrated Solar Street Lights

Panel-to-battery wiring and connector quality — Internal connectors are a common failure point in all-in-one solar LED street lights. Open a sample unit and inspect the soldering quality and connector types. Push-in terminals are significantly less reliable than soldered wire connections, especially for solar parking lot lights exposed to heavy vibration.

Cold climate battery cutoff — LiFePO4 should not be charged below 0°C (BMS should cut charge, not discharge). Verify BMS cutoff settings for your target installation climate.

Pole bracket corrosion — Steel mounting brackets without hot-dip galvanizing rust within 2–3 years in coastal or high-humidity environments. Specify 316 stainless steel or hot-dip galvanized steel brackets for all pole-mounted installations. Our quality inspection service can test BMS cutoff behavior, verify battery capacity, and check bracket corrosion resistance on production samples.

Overstated autonomy. A “3–5 rainy days” autonomy claim assumes minimal LED runtime and ideal solar conditions. Recalculate autonomy using your required daily operating hours and the actual usable battery Wh; many claims fall to 1–2 days under real use.

Concrete Use Case: Rural Road Off-Grid Project

A typical buyer is a government contractor installing 200 solar street lights on rural roads with no grid access. The project requires 60W LED equivalent output, 3 nights of autonomy, LiFePO4 batteries, and a 5-year warranty. This buyer needs a factory that can provide discharge-test data, BMS specifications, and pole-mounting calculations. Our sourcing service for power electronics qualifies factories in Shenzhen and Zhongshan that can document battery capacity and MPPT efficiency.

Sourcing notes from the floor

During a factory visit we inspected all-in-one solar lights and found battery packs labeled 30Ah at a theoretical 12V but delivering only 18Ah at the real 12.8V LiFePO4 operating voltage. On recent projects we saw PWM controllers shipped on 60W fixtures where MPPT had been specified, cutting usable solar yield by roughly 30%. The most common spec mismatch is quoting 3–5 rainy days of autonomy while using a 200Wh battery for a 60W LED running 10 hours per night. Real-world MOQ/price is often 100 units at $28–95, with LiFePO4 adding $8–12 per fixture over LiPo. Certification gotcha to watch: the CE DoC must list the specific battery cell and BMS, not just the finished light.

Recommended Next Steps

Order two samples, discharge-test the battery to verify usable Wh, and run a 7-day field trial at the intended pole height and latitude. Confirm the BMS low-temperature cutoff and bracket corrosion protection before volume ordering. For a complete roadmap, see our guide to solar street light manufacturers in China; use the tariff calculator to estimate landed cost including battery freight surcharges.