
Replace disposable batteries with solar energy
Every year, billions of disposable batteries are discarded after a single use, polluting landfills with toxic heavy metals and harming ecosystems. But what if you could replace thousands of batteries with one solar-powered solution? BRIGHT’s innovative solar technology makes this a reality, offering a sustainable alternative that saves money and protects the planet.
A brighter future without battery waste
Did you know that a BRIGHT solar lamp can replace up to 8,500 disposable batteries over its lifetime. This is not just a cost-saving choice, it is a game-changer for reducing environmental waste. By harnessing the sun’s abundant energy, BRIGHT’s solar lamps store power in high-efficiency lithium-ion batteries, delivering reliable performance without the ecological toll of disposable batteries.
Much like LEDs revolutionized lighting by replacing inefficient incandescent bulbs, solar-rechargeable batteries are transforming energy storage. BRIGHT’s solar solutions provide a cleaner, smarter way to provide light and charge mobile phones, while minimizing carbon footprint.
Disposable vs. rechargeable batteries: A clear difference
How they work:
- Disposable batteries: Deliver one-time energy cycle, then discarded, contributing to pollution.
- Solar rechargeable batteries: Store solar energy for repeated use; offering sustainable power.
Environmental impact:
- Rechargeable batteries emit 28% less greenhouse gas emissions than disposables over their lifetime.
- BRIGHT's lithium batteries outperform alkaline batteries, especially in extreme conditions like cold weather, where disposable batteries often fail.
- Solar-powered systems eliminate the need for frequent battery replacements, reducing waste and resource depletion.

The hidden cost of battery waste
The scale of battery waste is staggering. In the EU alone, about 244,000 tonnes of portable batteries and accumulators were sold in 2022. Yet, only 46% are recycled, according to Eurostat data.
Unrecycled batteries often contain toxic substances like lead (Pb), mercury (Hg), and cadmium (Cd), which can leach into soil and water, posing serious environmental and health risks if improperly discarded.
Replacement potential of BRIGHT solar products
The table below shows the number of disposable AA and AAA batteries the BRIGHT SunBell 80 and Move can replace:
Variable |
BRIGHT SunBell 80 |
AA battery |
AAA battery |
Chemistry |
NMC |
Alkaline (ZnMnO2) |
Alkaline (ZnMnO2) |
Type |
18650 rechargeable |
not rechargeable |
not rechargeable |
Capacity (mAh) |
2200 |
3000 |
1200 |
Volt |
3.7 |
1.5 |
1.5 |
DoD (depth of discharge) |
90% |
100% |
100% |
Energy capacity (Wh) |
7.5 |
4.5 |
1.8 |
N0. charge cycles |
1500 |
1 |
1 |
No. batteries |
1 |
2000 |
5000 |
Variable | BRIGHT Move |
AA battery |
AAA battery |
Chemistry |
LFP |
Alkalisk (ZnMnO2) |
Alkalisk (ZnMnO2) |
Type |
2x 18650 rechargeable |
not rechargeable |
not rechargeable |
Capacity (mAh) |
3000 |
3000 |
1200 |
Volt |
3.2 |
1.5 |
1.5 |
DoD (depth of discharge) |
100% |
100% |
100% |
Energy capacity (Wh) |
9.6 |
4.5 |
1.8 |
N0. charge cycles |
2000 |
1 |
1 |
No. batteries |
1 |
3400 |
8500 |
Why switch to solar-powered lighting and charging solutions
Switching to BRIGHT’s solar-powered lamps and charging solutions is a simple yet impactful step toward sustainability. Here’s why it matters:
- Reduce waste: One solar lamp eliminates the need for thousands of disposable batteries.
- Save money: Lower long-term costs compared to constantly buying disposables.
- Protect the planet: Minimize emissions and toxic waste for a cleaner environment.
- Reliable performance: Solar-rechargeable batteries deliver consistent power, even in challenging conditions.
A small switch with a huge impact
Switching to solar is a straightforward way to reduce waste, save money, and demonstrate climate leadership. BRIGHT solar lamps, most which feature built-in charging solutions, are built with sustainability in mind. By choosing our solar lighting and charging solutions, you reducing electronic waste and committing to a cleaner, future.
Ready to make the switch? Check out our range of solar-powered products and explore how we can collaborate to deliver reliable light, sustainably.