







4400mAh Battery Backup for 45W/50W/55W Solar Fountain Pump
🔥 100+ bought in past month
Plug and Play: No extra tools are needed to install this solar battery for fountain setup—just connect the female connector of the battery to the solar panel and the male connector to the pump, and you’re ready to go. This solar powered fountain battery helps your fountain run in the sunshine while storing backup power at the same time.
Special Design: The solar battery for fountain is specially designed for POPOSOAP 45W / 50W / 55W solar water pump kits, helping the solar fountain pump work continuously during the day and still run for about 4–6 hours without sunlight when fully charged. Runtime depends on sunlight intensity and stored power.
Long Life and Durable: This solar powered fountain battery features a large-capacity 4400mAh 14.8V–16.8V rechargeable battery that automatically stores electricity throughout the day under direct sunlight. Built with multiple safety protections and IP68 waterproof performance, it supports about 300–500 charging cycles.
Compact and Portable: The solar battery for fountain measures 4.33 × 3.15 × 1.64 inches (solar water pump not included), making it compact and easy to place. With this solar powered fountain battery, your solar water pump can still work in cloudy conditions or partial shade.
Money Back Guarantee and Warranty: All of our solar powered fountain battery products include a 30-day money-back guarantee and a 1-year warranty. If there is any issue with your solar battery for fountain, please feel free to contact us.
We offer fast shipping straight to your door throughout the contiguous US. Orders under $99 will incur a $5 shipping fee. Free shipping is available for orders over $99.
It usually takes 3-7 business days for your package to be delivered, so you can sit back and relax, worry-free.
Please see our shipping policy for more details.
We are committed to delivering high-quality products and exceptional after-sales service. To ensure your satisfaction, we provide a one-year limited warranty for all Poposoap products. Learn more about warranty policy.
If you’re not completely satisfied, we offer a full refund within 30 days of purchase (return shipping not included). See full terms.
We'll Always be There for You.If you have any questions or concerns, feel free to contact us at info@poposoapsolar.com.
This product has sustainability features recognized by trusted certifications.
Recycled materials: Contains at least 50% recycled material.
Safer chemicals: Made with chemicals safer for human health and the environment.
Worker well-being: Manufactured on farms or in facilities that protect the rights and/or health of workers.
As certified by Global Recycled Standard
Certification Number
TE-00300591
Certification Body
Bureau Veritas

Product Details
Product Specifications
4400mAh
14.8v-16.8v
50W-70W solar fountain/solar pond filter/solar pond waterfall
IP68 Waterproof
0.98ft
Product comparison



4400mAh
5200mAh
2600mAh
14.8V-16.8V
14.8V-16.8V
14.8V-16.8V
50W-70W solar fountain/solar pond filter/solar pond waterfall
55W-70W solar fountain/solar pond filter/solar pond waterfall
25W-50W solar fountain/solar pond filter/solar pond waterfall
FAQ
Is this battery compatible with all solar fountain pumps?
This solar powered fountain battery backup is specially designed for POPOSOAP’s 50W-70W solar fountain pump kits. It may not be compatible with pumps from other brands.
How long can the fountain run on a full battery charge?
When fully charged under direct sunlight, the solar powered fountain battery can power your fountain for approximately 4–6 hours without additional sunlight, depending on the stored energy and pump settings.
Is it difficult to install?
Not at all! The solar battery for fountain is truly plug-and-play. Simply connect the female connector of the battery to the solar panel and the male connector to the pump—no tools or extra parts required.
What kind of battery is used and how durable is it?
The solar battery for fountain uses a 4400mAh rechargeable battery (14.8V–16.8V) with IP68 waterproof protection, supports 300–500 charge cycles, and is built for long-term outdoor use.
What’s the physical size of this solar powered fountain battery backup?
The compact size is 4.33 × 3.15 × 1.64 inches, making it easy to hide or mount in your pond setup.
Does this battery store power while the pump is running?
Yes. The solar powered fountain battery stores solar energy throughout the day while simultaneously powering the pump, ensuring continuous operation during shade or cloudy periods.
What kind of warranty or guarantee is included?
We provide a 30-day money-back guarantee and a 1-year warranty. Our customer support team is always available if you need help.








