4400mAh Battery Backup for 45W/50W/55W Solar Fountain Pump
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Plug and Play: No need anything else to install the battery backup solar fountain pump, just plug and play, hook up the female connector of the battery to the solar panel and the male connector to the pump and you're up and running! It will help your solar fountain run in the sunshine while storing power.
Special Design: The solar fountain pump battery backup is specially designed for our POPOSOAP'S 45W / 50W / 55W solar water pump kit, helping the solar fountain pump work continuously during the day, and it still runs for about 4-6 hours without sunlight when fully charged. (Depends on the sunlight intensity and how much power is stored).
Long Life and Durable: Large-capacity 4400mAh 14.8V-16.8V rechargeable battery backup that automatically stores electricity throughout the day under direct sunlight. The battery backup has multiple safety protection and IP68 waterproof. It can support 300-500 charging cycles.
Compact and Portable: The size of the solar water pump battery is 4.33*3.15*1.64 inches. (Not included solar water pump). With the battery backup, the solar water pump still works in clouds or shadows.
Money Back Guarantee and Warranty: All of our solar water pump battery backups provide a 30-day money-back guarantee and a 1-year warranty. If there is any problem with the item, 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 2-5 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 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 battery backup 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! It’s 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?
It 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 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. It 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.
