$29.99

14.4v NiCD Battery Replacement for iRobot Roomba 800, 870, 880

Availability: In stock

SKU: ML-RMB50022 Category:
The ML-RMB500 battery is fully compatible with all Roomba 500, 600, and 700 series. Mighty Max ML-RMB500 Brand new Battery Pack which is compatible with iRobot Roomba Advanced Power System (APS) Battery.  ML-RMB500 replaces the original iRobot Roomba 80501 battery 
ML-RMB500 is an Ni-Cd Rechargeable battery that keeps Roomba running at peak performance, cleaning up your room in a single charge.  ML-RMB500 can be charged or discharged as needed without loss of capacity.
Battery Specifications:
Voltage: 14.4V
Amperage: 2.0AH
Chemistry: Ni-Cd
Warranty: 1 Year
Width

2.25

Length

5.50

Warranty

1 Year

Quantity

1

Chemistry

NiCd

Amp Hour

2.0Ah

Volts

14.4v

Height

1.75

Weight

3.00 Lbs

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Excellent
Mighty Max Battery
Based on 4327 reviews
Delivered with care!
Great delivery
Right size. Trolling battery.
Nice replacement from Amazon for my Liebert UPS.
Perfect replacement - use in my ATV.
I recently used this battery and overall performance has been excellent. From the start, it delivered reliable and consistent power, which is exactly what you want, whether you're using it for household devices, tools, or electronics.
Performance:
The battery holds a charge well and maintains steady output over time. I didn’t notice any sudden drops in power, even under moderate to heavy use. It performed just as advertised and didn’t struggle with higher-demand devices.
Longevity:
One of the standout features is its lifespan. Compared to other batteries I’ve used, this one lasts noticeably longer before needing replacement or recharge. That makes it a good value, especially if you rely on batteries frequently.
Build Quality:
The construction feels solid and dependable. It doesn’t overheat during use, and the terminals stay clean without corrosion issues.
Value:
While it may not always be the cheapest option, the durability and longer runtime make it worth the price. You end up replacing it less often, which saves money in the long run.
Final Verdict:
This is a dependable battery that delivers strong performance, long life, and good overall value. I would definitely recommend it for anyone looking for a reliable power source.

If you want, I can tailor this to a specific brand (Duracell, Energizer, car battery, tool battery, etc.)
This is an exact replacement for my existing battery. Now my granddaughter can enjoy her ride on car once again!
Good Customer service
Placed in the side by side and started right up!
Great service great battery. Second we have bought for our craft plus others for motorcycles etc