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Battery products Replacement Battery: 14.8V high capacity

Replacement Battery — Batteries, Battery products
Available Options
14.8V 3500mAh
14.8V 3500mAh
Joom
$38.74
Available to order

Looking for a battery that won't quit on you mid-clean? This powerhouse 14.8V, 3500mAh replacement is your robot vacuum's new best friend. It plays nice with a bunch of models—think Ilife V7s, V7s Pro, A4, A4s, A6, and even some Ecovacs buddies. Talk about being popular at the party!

Why you'll love it:

  • Keeps going and going... like that one friend who never knows when to leave. Extended battery life means your vacuum can tackle even the messiest rooms without calling it quits.
  • High voltage output? Check. It's like giving your vacuum a shot of espresso—consistent, powerful performance every time.
  • Not picky about who it works with. Whether it's an Ilife or an Ecovacs, this battery's ready to roll.
  • 3500mAh long life
  • Compatible with multiple models
  • For robotic cleaners
  • 14.8V high capacity

General specs

  • Brand: Battery products
  • Seller: Joom
  • Voltage: 14.8V
  • Capacity: 3500mAh
  • Compatibility: Ilife V7s, V7s Pro, A4, A4s, A6, Ecovacs models
  • First listed by seller: 5/23/25

If you are interested in more details, you can find full information on the seller's page.

$38.74
Last price update: 8/10/25
Available to order

Shipping options

Delivery to United States
Unavailable

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Model
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Rating
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Price $38.74 $43.01 $61.05 $39.22 $44.36 $33.70
Seller Joom Joom Joom Joom Joom Joom
Update August 8, 2025 August 8, 2025 August 8, 2025 August 8, 2025 August 30, 2025 August 28, 2025
Voltage 14.8V 14.4V 14.4V 11.1V 14.4V 14.8V
Capacity 3500mAh 2600mAh 3500mAh 5200mAh 2800mAh
Battery Type Lithium-ion Lithium-ion Polymer Lithium Lithium-ion
Compatible Models 920, 930, 901, 905, 937, 900 Ecovacs Ilife V1, V3, X3, V5, X5, V5s, Cw310, Cen250 S10, X10, S20, 20, S10pro Redmond RV-R270, Redmond RV-R450, Kassel SQ-1020, TB33, FM-R370
Replacement Battery — Batteries, Battery products

Replacement Battery

$38.74

Reviews

4.5
(2 reviews)
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Taylor Miller
Taylor M. US San Diego, CA
June 6, 2025
Decision:

i got this after my old battery started conking out halfway through cleaning, and wow what a difference, my vacuum runs like it's got a new lease on life, no more stopping to recharge every ten minutes, it handles my whole downstairs without a hitch, even with pets and kids making messes, installation was straightforward just popped it in and it worked right away, feels solid and reliable, no issues after a couple weeks of use, definitely recommend if you're tired of weak batteries

  • Pros: this battery is a lifesaver for my vacuum, it lasts way longer than the original and powers through big cleaning sessions without dying, super easy to swap in and works with a few different brands i have around the house, no more mid-clean interruptions which is a huge win
  • Cons: it was a bit pricey upfront compared to some no-name options, but seems worth it so far, had to double-check compatibility before buying to make sure it fit my specific model
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