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The melasta 14.4V 3500mAh Replacement Battery is a premium lithium-ion power source designed for a wide range of robotic vacuum models including Eufy RoboVac, Ecovacs Deebot, Conga, and Shark. Featuring Grade A+ cells with UL, CE, and MSDS certifications, it offers up to 4 hours of runtime, smart CC-CV charging compatibility, and advanced multi-protection circuitry for safe, reliable performance. With a lifespan of up to 500 cycles and less than 1% self-discharge per month, this battery ensures your vacuum cleaner operates like new, delivering consistent cleaning power and peace of mind.
| ASIN | B09CT78QFH |
| Amperage | 14.4 Amps |
| Antenna Location | Vacuum Cleaner |
| Battery Capacity | 3500 Milliampere Hour (mAh) |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 230 Grams |
| Battery capacity | 3500 Milliampere Hour (mAh) |
| Battery cell composition | Lithium Ion |
| Best Sellers Rank | 23,202 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 10 in Vacuum Batteries |
| Brand | melasta |
| Brand Name | melasta |
| Compatible Phone Models | Replacement Battery for Eufy RoboVac 11 11S 11S MAX 30 30C 30C Max, 15C 15C MAX 12 15T 35C, Ecovacs Deebot N79S N79 DN622, Conga 990 950 1090, Shark RV700 RV720 RV750 RV755 |
| Country of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 677 Reviews |
| Item Dimensions | 9.1 x 6 x 5 centimetres |
| Manufacturer | melasta |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Number of batteries | 1 Lithium Ion batteries required. (included) |
| Product Warranty | 1 year |
| Recommended uses for product | Vacuum Cleaner |
| Reusability | Rechargeable |
| UPC | 630148238289 |
| Unit Count | 1.0 count |
| Unit count | 1.0 count |
| Voltage | 14.4 Volts |
D**N
Fixed the issue of no charging
Replacement battery in my Eufy RoboVac 11S MAX. Fixed the issue of no charging (red light after 4 orange pulses) with the original battery after 3 years of use. Easy to replace: 2 screws to open the battery compartment, lift out the old battery using the white tabs; disconnect the old battery [this was the only tricky part, I needed the roll back the black covering over the connector to see the clip to disconnect the old battery]. Connect the new battery is a reversal of the steps above - its a tight fit! All is now working as new.
L**A
Easy replacement for eufy robot vacuum
My eufy robovac 12 battery died, so I replaced it with is one and so far the battery is lasting considerably longer .
A**R
Doesn’t last all that much longer
so understanding battery capacity et cetera quite disappointed actually that it doesn’t last as long that’s what I would hopeful given it has had multiple charges so it should be up to capacity, however fitment is the same no issues with that at all
A**R
Perfect fit for older Eufy 35c robovac
Bought the larger variant hoping for longer hoovering. My robovac is 2.5yrs old and had lost 30 mins run time over that period. This new battery has got the 30 mins back plus a bit.
J**S
Powerful battery
eems to be working well and with a long life
P**D
It worked straight out of the box
It worked straight out of the box
R**E
Item as described
Item as described
C**S
Battery life not quite accurate, but it works.
Purchased to replace the one in my robo hoover. It doesn't last as long as the original, but it works and that's all that matters.
K**E
Guter Akku
Funktioniert einwandfrei, Sauger läuft ohne zicken..
G**E
Bien
Funciona, fácil de cambiar
S**O
Un prodotto ottimo. Lo consiglio
É un prodotto conforme alle aspettative.
A**A
Come l'originale
Avevo già provato un' altra marca di batterie durata solo qualche giorno quindi ero scettica e pensavo di buttare via un'altra volta di soldi. In realtà questa è tutta un'altra qualità. La sto utilizzando per il mio robot da circa 2 mesi e sono molto soddisfatta per durata e tempi di ricarica. Non so ovviamente dire nulla sulla longevità ma intanto la raccomando
C**N
Fácil de instalar.
Tengo una cita más Excellence de las primeras y estoy encantado con ella. Se me estropeó la batería por el paso del tiempo. Me ha durado unos 5 años y decidí comprar esta batería. En principio ha sido facilísima de instalar y su duración es superior a la original. Me dura dos horas y media limpiando. Ahora solo espero que su vida útil dure otros cinco años. De momento producto muy recomendable.
Trustpilot
1 week ago
3 days ago