Will this work in the Eufy 11+ robo vac?

No, It does not work in eufy 11+ robo.

Will this fit Coredy 500 series vacuum?

I have Tresvor 500 and it fits right, like if I had bought a brand new robot. Check the description, it has a list of items it works with.

Does it work with robovac 25c?

Yes, the battery can work with eufy robovac 25C.

How long does It take to fully charge the battery for the first time after installation? I keep getting flashing light and it's been two hours .

I think that depends on the power source but up to 8 hrs would not surprise me.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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- 14.4V Battery Replacement for Eufy RoboVac 11S 30C and Ecovacs N79 | 2600mAh Battery for Eufy 11, 15C, 25C, G10, G20, G30 & Ecovacs Deebot N79S, DN622

Product ID: 219758215

Details

Battery Capacity
2600 Milliamp
Battery Cell Composition
Lithium Ion
Brand
NASTIMA
Number of Batteries
1 Lithium Ion
Recommended Uses For Product
Vacuum Cleaner

⚡14.4V powerful voltage

🔋2600mAh high-capacity

🛠️Wide multi-brand compatibility

7476 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your clean life—never miss a spot again!

BUILT IN SAFETY TECH - Patented protections guard against overcharge, over-discharge, and overheating for peace of mind.
ENDLESS CLEANING POWER - Up to 3 hours runtime keeps your RoboVac going strong without constant recharges.
PLUG PLAY SIMPLICITY - Effortless installation means zero downtime—get back to spotless floors fast.
TRUSTED QUALITY SUPPORT - Certified reliability with 1-year warranty and responsive 24/7 customer care.
UNIVERSAL FIT FOR TOP MODELS - Seamlessly compatible with Eufy and Ecovacs favorites plus other leading brands.

The NASTIMA 14.4V 2600mAh lithium-ion battery replacement delivers extended runtime and broad compatibility for Eufy RoboVac and Ecovacs Deebot models. Engineered with advanced safety features and easy installation, it ensures reliable, long-lasting performance backed by certifications and a 1-year warranty.

Specifications

ASIN	B089KGP8QH
Antenna Location	Vacuum Cleaner
Battery Capacity	2600 Milliamp Hours
Battery Cell Composition	Lithium Ion
Battery Cell Type	Lithium Ion
Battery Weight	227 Grams
Best Sellers Rank	#134,832 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #70 in Vacuum Replacement Batteries
Brand	NASTIMA
Built-In Media	battery
Customer Reviews	4.5 out of 5 stars 1,557 Reviews
External Testing Certification	UN38.3
Item Weight	200 Grams
Manufacturer	NASTIMA
Model Number	EC14-GR25-LI26NA
Number of Batteries	1 Lithium Ion batteries required.
Recommended Uses For Product	Vacuum Cleaner
Reusability	Rechargeable
UPC	644925657422
Unit Count	1.0 Count
Voltage	14.4 Volts
Warranty Description	1 Year

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