I have a 551 and notice you do not specifically list this model, while you list 550 and 552. Is ok to use on 551?

Works on both the 550/551 and other 500 series versions.

Does it work with roomba 625?

I won't swear to it. Check the ad. If memory serves, it wax saying it fit 500-series, 600-series, etc. Mine is a 590, which was not number to which it specifically referred, but it said 500-series to I tried it. Seems to work just fine. If the ad says 600-series, you're probably good to go. It's a great deal less expensive than the Roomba battery on that website, and shows a substantially higher amp-hour rating.

RemotesLost mine need a nother one

I purchased this unit, not knowing 100% for sure it was the right one to replace the old battery in our Roomba. It was! Fast delivery and it works flawlessly. Our Roomba is like new! Couldn't be happier.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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FirstPower 5000mAh 14.4V Battery Replacement Fit for iRobot Roomba R3 500

FirstPower 5000mAh 14.4V Battery Replacement Fit for iRobot Roomba R3 500

Product ID: 204947723

Details

Battery Capacity
3800
Battery Cell Composition
NiMH
Brand
FirstPower
Number of Batteries
1 Nonstandard
Recommended Uses For Product
Vacuum Cleaner

⚡14.4V Power Output

🔋5000mAh High Capacity

🛡️Multi-layer Safety Protection

Description

🔋 Power your clean life—don’t let your Roomba run out of juice!

RELIABLE SUPPORT - Backed by 24/7 customer service and a 1-year warranty for peace of mind.
BUILT IN SAFETY SHIELD - Advanced safeguards protect against overcharge, discharge, and short circuits, extending battery lifespan.
SEAMLESS COMPATIBILITY - Fits all Roomba 500 to 900 series models perfectly—upgrade your vacuum without hassle.
EFFORTLESS INSTALLATION - Plug-and-play design means no tech skills needed—get back to spotless floors in minutes.
LONGER CLEANING SESSIONS - 5.0Ah capacity outlasts standard batteries, powering your Roomba for up to 1.5 hours of uninterrupted floor care.

The FirstPower 5000mAh 14.4V NiMH battery is a high-capacity, fully compatible replacement for iRobot Roomba models 500 through 900 series. Engineered with advanced safety features and easy installation, it delivers up to 1.5 hours of cleaning time, ensuring your robotic vacuum stays energized and efficient. Certified by CE, FCC, PSE, and RoHS, it comes with a 1-year warranty and dedicated customer support.

Specifications

ASIN	B08622YYMK
Amperage	5 A
Antenna Location	Vacuum Cleaner
Battery Capacity	3800 milliampere_hour
Battery Cell Composition	NiMH
Battery Cell Type	NiMH
Battery Weight	1.2 pounds
Best Sellers Rank	#351,348 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #224 in Vacuum Replacement Batteries
Brand	FirstPower
Compatible Phone Models	r3
Customer Reviews	4.4 out of 5 stars 2,811 Reviews
Item Dimensions	5.9 x 2.6 x 2.2 inches
Manufacturer	FirstPower
Model Name	RB500
Model Number	RB500
Number of Batteries	1 Nonstandard Battery batteries required. (included)
Recommended Uses For Product	Vacuum Cleaner
Reusability	Rechargeable
UPC	781621746385
Unit Count	1 Count
Voltage	14.4 volts
Warranty Description	1-YEARS Warranty

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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