
Are your photo voltaic lights not working as they need to be?
Whereas photo voltaic lighting is a improbable possibility to your out of doors areas, you’ll seemingly run into a problem or two with this know-how at some stage.
Listed below are 5 widespread explanation why your photo voltaic lights aren’t working:
- Battery wants changing.
- The pull tab for the battery.
- Soiled photo voltaic panel.
- Defective or broken sensor.
- Water ingress/intrusion.
On this article, you’ll study every of those points and learn how to treatment them with the intention to confidently repair photo voltaic lights.
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Photo voltaic lights not working: 5 major causes
1. Batteries want changing

That is the most typical concern related to photo voltaic lights.
The overwhelming majority of photo voltaic lights include rechargeable batteries put in in them. Most of those batteries are of top of the range and can final for fairly a while (usually years), however they nonetheless have a lifespan.
When your batteries attain the tip of their lifespan, you’ll discover that they gained’t work as effectively; they could even cease working completely. So, on this case, to repair your photo voltaic lights, you’ll want to interchange the useless batteries.
Please be aware: After buying, keep in mind to cost your lights earlier than utilizing them for the primary time. Don’t anticipate them to operate at full capability proper out of the field.
2. Battery pull tab/strip

This concern solely applies to newly bought lights.
Most photo voltaic lights include a battery strip or pull tab between the battery and the battery terminal. These tabs are used to protect the battery lifetime of your lights throughout delivery.
In case your photo voltaic lights aren’t working after you’ve unboxed and tried to cost them, the battery tab is probably going nonetheless in place.
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3. Soiled photo voltaic panel

High quality daylight is your photo voltaic mild’s bread and butter. With out it, it gained’t work.
It’s all very nicely to have your lights positioned nicely to obtain sufficient daylight, however that gained’t imply a lot in case your photo voltaic panels are grubby.
Mud and particles are the culprits right here. So earlier than you go about changing any batteries or checking for different points, be sure that your panels are away from any filth that will get in the way in which of them receiving much-needed daylight.
With the above in thoughts, make a concerted effort to frequently inspect and preserve your photo voltaic panels, cleansing them when mandatory.
4. Defective or broken sensor

Any photo voltaic mild price shopping for will include a light-sensitive sensor. These sensors are liable for turning your lights on at night time and off throughout the day.
A defective or broken sensor implies that your lights gained’t differentiate between the totally different occasions of the day. This may drive you into manually switching them ON/OFF when required, and let’s be sincere; nobody wants that kind of problem of their life.
5. Water ingress/intrusion

Despite the fact that most photo voltaic lighting merchandise include Ingress Safety (IP) to guard in opposition to water and weather-related harm, some should endure from water intrusion.
When this occurs, water or residue could construct up contained in the accompanying photo voltaic panels, damaging the inner wiring and circuitry.
“However why would this occur if my lights have an IP score?“
Water harm may end up from the next:
- Poor construct high quality.
- Inadequate safety.
- Normal degradation.
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The way to repair photo voltaic lights after they break?
Now that we’ve recognized among the most typical points associated to photo voltaic lights not working let’s focus on options to every drawback:
Battery alternative
It’s simple to neglect that photo voltaic mild’s rechargeable batteries have a lifespan of roughly three years. Over this era, you’ll discover that the effectivity of your batteries will lower.
However how do you check for a lower in your battery’s effectivity?
Test the discharging time
It’s best to be capable to see the common runtime of your lights through your product specs sheet – both on-line or offline. Alternatively, it’s good observe to check the runtime of your lights throughout their first discharge.
For instance, in case your lights used to function for 12 hours and now solely work for 8, your batteries are dropping their charging capability.
Deep cost method
Typically, your batteries don’t have sufficient cost to energy your lights. On this case, making an attempt this 72-hour charging method could yield optimistic outcomes.
This system helps your batteries attain their full capability by charging them over an prolonged interval.
To make use of this method, do the next:
- Change your lights off
- Allow them to cost for 72 hours
- Strive them out
Use totally different batteries
First, check your photo voltaic lights with normal batteries; you’ll want to use ones with the identical voltage.
If the sunshine works, it’s clear that your batteries can’t maintain the cost. You can too check your rechargeable batteries through the use of them in any battery-powered system.
After trying these steps, when you uncover that your batteries are compromised, it’s time to interchange them.
Battery pull tab/strip
You’ll discover this pull tab/strip beneath the battery compartment. Merely take away it to get your lights working.
If you happen to’re uncertain about this strip’s location, some directions ought to come along with your lights – these will level you in the fitting course.
Cleansing a grimy photo voltaic panel
Pure water is the easiest way to wash photo voltaic panels. Failing that, you should use rainwater or faucet water with low mineral content material.
Why?
Soaps can depart a movie or residue that encourages filth to stay and construct up faster. Worse but, utilizing a harsh chemical agent whereas cleansing photo voltaic panels may cause scaling. Lastly, cleaning soap can work its manner beneath the body and harm the silicon.
What if the panel’s clearcoat begins breaking down or turns into hazy?
Right here’s a video, courtesy of Plant Abundance, that’ll assist you restore your photo voltaic lights to good well being:
For a extra complete information on photo voltaic panel cleansing, try our article — How To Clear Photo voltaic Panels (DIY Ideas & Recommendation).
Checking a defective or broken sensor
Photo voltaic lights with a sensor ought to solely come on within the absence of sunshine. So, to check the working situation of your sensor, you’ll have to simulate darkness.
This may be accomplished by inserting your hand or a thick fabric over the sensor. If the sunshine doesn’t activate, then your sensor or among the wiring is more than likely compromised.
Chances are you’ll need to examine additional and change/repair the sensor or any wiring your self; in case you are very assured in doing so, nice! Ideally, although, you’ll need to attain out to the producer for help.
Fortuitously, some producers present warranties that cowl you in such an occasion. Attain out to your product’s producer to see if they provide replacements.
Water ingress/intrusion
As beforehand talked about, photo voltaic lights usually include IP rankings that make them waterproof. Nonetheless, this doesn’t imply that they aren’t inclined to water harm.
Heavy rains and by chance submerging them can harm them.
Within the occasion of water intrusion, do the next:
- Make certain your mild is switched off.
- Open your photo voltaic mild/photo voltaic panel and gently dry off all elements – pay particular consideration to the sensor.
- Rigorously re-assemble it.
- Place it in a dry, heat spot to dry off even additional.
- Go forward and manually check the sunshine to see if it nonetheless works.
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The way to make your photo voltaic lights final lengthy?
Listed below are some tricks to enhance the lifespan of your photo voltaic lights:
- Preserve them: Clear and preserve your photo voltaic panels frequently.
- Test in your batteries: Cost the batteries earlier than use and change them when the time comes.
- Place them appropriately: Place your lights and photo voltaic panel in an unobstructed space.
- Retailer when mandatory: In case your lights are for ornamental functions otherwise you expertise excessive climate situations over an prolonged time period, carry them inside for storage.
FAQs
Can I exploit any type of rechargeable battery for my photo voltaic lights?
It is very important use the right kind of rechargeable batteries in photo voltaic lights, sometimes NiMH or NiCd batteries.
They need to be of the identical voltage as really useful by the producer. Utilizing the mistaken kind or voltage may end up in poor efficiency or harm to the sunshine.
What ought to I do if my photo voltaic lights aren’t vibrant sufficient?
In case your photo voltaic lights aren’t vibrant sufficient, first guarantee they’re receiving sufficient daylight throughout the day and that the photo voltaic panels are clear.
If these aren’t points, the lights could also be dim as a result of ageing LEDs or low battery energy, and it’s possible you’ll want to interchange the LEDs or the batteries.
How can I maximize the daylight obtained by my photo voltaic lights?
To maximise daylight, place the photo voltaic lights in a location the place they will obtain direct daylight for almost all of the day, away from shadows forged by timber, buildings, or different obstructions.
Adjusting the angle of the photo voltaic panel, if potential, may assist in capturing extra daylight.
Can photo voltaic lights be repaired if water has considerably broken the inner elements?
Vital water harm to the inner elements of photo voltaic lights, particularly to the circuitry and battery, might be difficult to restore.
In such circumstances, it could be cheaper to interchange your complete unit until the broken elements are simply accessible and replaceable.
Can I depart my photo voltaic lights outdoors all 12 months spherical, together with winter?
Whereas many photo voltaic lights are designed to face up to numerous climate situations, excessive chilly, snow, and ice can doubtlessly harm them.
It’s really useful to retailer them inside throughout excessive winter situations, particularly if they’re ornamental or not wanted, to extend their lifespan.
Is it potential to improve the photo voltaic panel or LED in my present photo voltaic mild setup for higher efficiency?
Sure, it’s potential to improve the photo voltaic panel or LED for higher efficiency, however it requires a superb understanding of electronics and presumably some soldering abilities.
Upgrading to the next wattage photo voltaic panel can enhance charging effectivity, and altering to a brighter LED can improve mild output. Nonetheless, doing so may void the guarantee, so it’s important to think about this earlier than making modifications.
Closing ideas
Fixing photo voltaic lights doesn’t have to be a problem. Certain, it’s possible you’ll end up operating into some points with them at some stage. However typically, they don’t are likely to current you with issues you may’t overcome.
Give them slightly TLC right here and there, and also you’ll be superb. In spite of everything, when you deal with your lights, they are going to deal with you.