How many rainy days can a solar street light really last: sizing the battery right

40W 2 in 1 Solar LED Street Light

Why this matters when you buy

With a solar street light, weather matters. A 20W unit typically offers 3-5 rainy days backup. Battery size is key. LiFePO4 batteries ensure reliable performance. Motion sensors and MPPT controllers optimize efficiency. Size right to avoid downtime.

Specs and numbers to check

Battery capacity decides everything. A honest supplier sizes the battery for 3+ rainy days at your local sunlight hours, not a generic spec sheet. Ask for the battery cycles (good LiFePO4 cells do 2000+), the MPPT or PWM controller type, and the motion-sensor dimming profile.

Applications and sizing advice

Rural roads, compounds, parking areas and island or off-grid sites fit best. Pole height sets the wattage: 20-40W suits 3-4m poles, 60-80W suits 5-6m, and 100-150W suits 7-9m with wider spacing.

Frequently asked questions

Can you provide solar street lights with a higher battery backup duration?

Please contact [email protected] for options beyond the standard 3-5 rainy days backup.

Do these lights include any additional features such as remote control or color options?

Additional features can vary by model. Please email [email protected] for specific details.

What is the warranty period for these solar street lights?

Warranty details vary by product. For accurate information, please write to [email protected].

Related LOWCLED products

Get a quotation

Need a spec sheet, Dialux file or a price for this model range? Write to [email protected] or use the contact form. Quotations go out within one working day.

Video: Solar street lights - LOWCLED

About this LED flood light

LOWCLED outdoor LED flood lights are built for building facades, billboards, gardens, car parks, sports courts and industrial yards. The 4A / 4S / FLU modular series covers 30W to 2000W with 100-120 degree beam angle, tempered glass lens and a die-cast aluminium heat sink that keeps the LED junction temperature low even in summer.

Every fixture passes a 24-hour aging test and an IP66 waterproof test before shipment. With 150 lm/W, 10KV surge protection and 5-7 years warranty options, they replace 250W-2000W metal halide lamps and cut power consumption by around 70%.

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Need a quotation, free sample or OEM / ODM service? Write to [email protected] or WhatsApp +86 135 9030 0987 - LOWCLED has been an LED lighting manufacturer in Shenzhen since 2004 and replies within 12 hours.

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