Why Do Solar Street Lights Fail? The Real Reason Is the Battery
Solar street lights have become quite common in India, whether on roads or residential areas. They reduce energy costs, don't require any connection to the grid, and have a modern appearance. However, the primary concern that people have is why they stop functioning so quickly.
It is not due to the solar panel. Nor is it due to the LED used. In most instances, 90% of issues with solar street lights come from the battery used.
1. Wrong Battery Size
A lot of consumers purchase solar-powered street lights without looking into the battery capacity. The battery capacity of the street light should be large enough to store power when the street light is charging and also supply power all through the night, regardless of the weather condition.
For instance, a 12V 24AH battery is appropriate for lighting a 20-30 watt LED bulb for up to 10-12 hours a day. When the battery is small, the street light will switch off by midnight.
2. Wrong Battery Chemistry
This is the most frequent mistake. Most affordable solar street lighting solutions in India use either lead-acid or gel batteries, which deteriorate rapidly under Indian climatic conditions; they have only 500-600 charge cycles and require regular maintenance.
A lithium battery (LiFePO₄) of 12.8 volts is an absolute winner. Such a battery will withstand 2,000 to 4,000+ charge cycles; it works within an extreme temperature range (-20°C to +60°C) and requires absolutely no maintenance.
That is why many buyers choose a solar battery of 12 volts with lithium chemistry. There may be some increase in initial cost, but the savings in the long term are enormous.
3. No Battery Management System (BMS)
Even a good battery will die early if it gets overcharged, over-discharged, or short-circuited. This is where smart battery technology comes in.
A WiFi battery with a built-in BMS monitors charge levels, temperature, and load in real time. It automatically protects the battery from damage. Without BMS, your battery is silently getting damaged every single day — and you won't even know it until the light stops working.
4. How Much Does a Good Solar Battery Cost?
If you are searching for a solar battery for your home or the most effective solar lithium battery at an honest solar energy storage battery price, you should prepare to pay between ₹4,000 and ₹18,000+ based on its capacity.
Yes, lithium-ion batteries are more expensive than the lead-acid type initially. However, while the former will serve you for 7 to 10 years, the latter will last only 2 years. Do the math, and you will see that lithium-ion is much more affordable.
5. Where to Buy in Jaipur?
Are you searching for the best solar battery manufacturer in Jaipur? Then, EVA Batteries is your go-to destination where you can find various types of 12V lithium batteries, 12V 24Ah batteries, and solar batteries. For more information, visit evabatteries.com.
Final Words
Your solar street lights do not malfunction due to the sun or even LEDs. It is the wrong battery that causes malfunctioning in solar streetlights. Select the right battery in 12 volts, the correct sizing, a lithium battery, and one with a BMS for long-lasting operation without malfunctions.