If there’s not enough sunlight falling on the solar panels due to cloudy weather, shadow, or any other reason, the panels won’t recharge the battery, and hence the outdoor solar lights might not work. Most solar lights require only a few hours of direct sunlight to charge the batteries.
Batteries’ lifespan has come to an end “In most cases, solar-powered lights stop working when a battery is dead, so you might want to take a look and see whether they are worn out or too old. While there are long-lasting batteries like Nickel Metal Hydride batteries (NiMH), they also drop in performance as time goes.
Most of the outdoor solar garden lights come with ON/OFF button, and that button needs to be turned ON. In many cases this simple thing is ignored by many people and this is one of the main reasons why your solar light isn’t working as expected. There might also be a factory defect and the light doesn’t turning ON. 2.
The accumulation of dust and dirt on the solar panels is another reason solar lights stop working. It can cover the solar panel and prevent it from absorbing enough sunlight to charge the batteries properly. The layer of dust or dirt can get so thick that no amount of light from the sun may get to the panel.
Most newly purchased solar lights come with rechargeable batteries. After their normal life span (typical couple of years) they tend to stop working or start performing poorly. If you see declined brightness in light, then it’s a time to change the batteries.
It’s a simple trick to clear out any small glitches that might be messing with your light’s performance. Here’s all you need to do: Turn off the light, count to a few seconds, and then switch it back on. This quick reset often fixes those pesky little issues and gets your solar light running smoothly again. How to Fix Solar Lights Not Working?