Tenergy 3850mAh NiMH Replacement Battery for Roomba 500/600/700/800/900 Series

★★★★★ 4.7 94 reviews

US$26.15
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by fitforleadership.ch
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$26.15
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Jul 19
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by fitforleadership.ch
Free 30-day returns Details

Product details

Management number 234964235 Release Date 2026/07/02 List Price US$26.15 Model Number 234964235
Category
  • Tenergy 3850 mAh NiMH Replacement Battery
  • Designed for Roomba 500, 600, 700, 800, & 900 Series (Not included)
  • Retains energy capacity with advanced protection
  • Features longer lasting battery up to a 1000 cycles
  • Offers more power than standard 3000 mAh battery
  • Self-discharge and no memory effect

The Tenergy 3850mAh NiMH Replacement Battery for Roomba 500/600/700/800/900 Series features low self-discharge and no memory effect for long term storage while retaining its full capacity with advanced safety protection.

With up to a 1000 cycle life span, the battery will consistently perform at its best, longer. A high capacity rating of 3850 mAh stores more power than the factory standard 3000 mAh batteries.

Tenergy 3850mAh NiMH Replacement Battery for Roomba 500/600/700/800/900 Series - Click to Enlarge

Upgrade and Replace: A cleaning system is only as strong as the battery allows it to be. Get the powerful 14.4 V Roomba Battery as a direct replacement to the in-house standard unit. With a 3850 mAh rated capacity, it stores more power meaning longer run times depending on usage.

Tenergy 3850mAh NiMH Replacement Battery for Roomba 500/600/700/800/900 Series - Click to Enlarge

Improved Design: The Tenergy NiMH rechargeable battery for Roomba features low self-discharge in which the battery will degrade at a much slower rate over time. This makes it an ideal battery to upgrade to as it’s designed to go the distance.

Also, it has no memory effect meaning it will retain its energy capacity after each charge. With a built-in overcurrent and overheating protections, the circuitry stands protected.


Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.7 out of 5
★★★★★
94 ratings | 39 reviews
How item rating is calculated
View all reviews
5 stars
86% (81)
4 stars
2% (2)
3 stars
1% (1)
2 stars
1% (1)
1 star
10% (9)
Sort by

There are currently no written reviews for this product.