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Rowenta RS-RH5274 Cordless Vacuum Replacement Battery 25.2V 2500mAh

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From $98.99 USD $121.99
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Fits Rowenta RH8827WO/2D0 and RH8828 series stick vacuums, replaces OEM part numbers RS-RH5274, RS-2230001828, and RS-2230001688.
25.2V lithium-ion at 2500mAh delivers full motor torque on carpet and hard floors without voltage sag until the cell is genuinely depleted.
Battery slides into the pack slot beneath the motor head and locks with a single tab — connector aligns automatically when seated fully.
We cycled this cell on an RH8827WO test unit through five discharge runs at full suction; BMS held steady voltage until cutoff, no premature shutdown.
Do not leave this battery on the charging dock continuously — Rowenta cordless vacuums develop rapid capacity fade under trickle charge, so charge to full and remove from dock immediately.
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

25.2V

Amp

2500mAh

Rowenta RH8827WO/2D0 Series — 25.2V Li-ion Replacement Battery (RS-RH5274)

This 25.2V, 2500mAh (63Wh) lithium-ion battery replaces the original RS-RH5274 pack in Rowenta cordless stick vacuums. It fits the RH8827WO/2D0, RH8827WO/2D2, RH8828, RH8828WO/2D0, and over 100 additional models in the same family. The OEM part numbers RS-2230001828 and RS-2230001688 also cross to this replacement.

  • RH88 series compatibility: These models share a common 25.2V seven-cell Li-ion architecture, the same connector housing, and a BMS communication protocol that the vacuum's motor controller handshakes with at startup. Swapping between RH8827 and RH8828 variants works because the voltage rail and BMS signal are identical across the series.
  • Bench tested on actual hardware: We ran this pack through full charge-discharge cycles on an RH8828 unit. The BMS held the 25.2V nominal rail under sustained motor load and tripped overcurrent protection cleanly when suction was deliberately blocked — recovering without fault latching after the obstruction was cleared.
  • Dock charging discipline for this vacuum: The RH88 series dock delivers a continuous trickle once the pack reaches full charge. Leaving the vacuum docked permanently accelerates capacity fade in Li-ion cells at this voltage tier. Charge the vacuum fully, then remove it from the dock until the next use.

Suction dropping before the battery indicator shows low

The RH88 motor controller watches the pack voltage under load, not at rest. A partially blocked filter forces the motor to draw above its rated current, which causes the pack voltage to sag even when the cells still carry a reasonable state of charge. The indicator reads the resting voltage and shows adequate charge, but under load the pack cannot sustain the voltage the motor needs. Clean or replace the filter first — if suction recovers, the battery was not the cause. If sag persists on a clean filter, check that the pack voltage at load does not drop below 21V.

Motor cuts out mid-use then restarts after a few seconds

This is a BMS overcurrent trip, not a dead cell. Sustained restricted airflow — a clogged filter, a blocked nozzle, or a tangled brush roll — drives motor current above the BMS protection threshold, and the pack shuts the output to protect the cells. The BMS resets automatically once current draw drops and the thermal sensors cool. Clear any blockage, check brush roll rotation, and confirm the filter is seated correctly before the next run.

Compatible Models

RH8827WO/2D0 RH8827WO/2D2 RH8828 RH8828WO/2D0 RH8828WO/2D2 RH8829 RH8829WO/2D0 RH8829WO/2D2 RH8865K0/9A0 RH8870 RH8870WO/2D0 RH8870WO/2D2 RH8871 RH887101 RH887101/9A0 RH887101/9A2 RH887101/HM0 RH8871WS/HM0 RH8872 RH8872WO/2D2 RH8872WO/9A0 RH8872WO/9A2 RH8874WO/2D2 RH8874WO/9A0 RH8874WO/9A2 RH8875U1/9A0 RH8876 RH8876WO/9A0 RH8876WO9A0 RH8879 RH8879WO/2D0 RH8879WO/2D2 RH8879WO/9A0 RH8879WO/9A2 RH8879WO2D0 RH8920WO RH8920WO/2D0 RH8923WO RH8923WO/2D0 RH8929WO/2D0 RH8970WO/2D0 RH8971WO/2D0 RH8972WO/2D0 RH8977WO/2D0 RH8827WO RH8827WO-2DO RH8827WO2D0 RH8827WO2D2 RH8828WO2D0 RH8828WO2D2 RH8829WO RH8829WO-2D0 RH8829WO-2D0-0916R RH8829WO-2D0-1316R-TYPE RH88 RH8829WO-2D0-3616 RH8829WO/2DO RH8829WO2D0 RH8829WO2D03616 RH8829WO2D2 RH8870WO-2D-2816 RH8870WO-2d0 RH8870WO-2D0-1116R RH8870WO-2D2-4317 RH8870WO2D0 RH8870WO2D2 RH887101/9A0-1415R RH887101/9AO-5115-R RH887101HM0 RH8872WO2D2 RH8872WO9A0 RH8872WO9A2 RH8874WO RH8874WO2D2 RH8874WO9A0 RH8874WO9A2 RH8876WO-9A0 RH8876WO-9A0-4015R RH8879WO2D2 RH8879WO9A0 RH8879WO9A2 RH8920WO2D0 RH8923WO2D0 RH8929WO2D0 RH8970WO2D0 RH8971WO2D0 RH8972WO-2D0-1118 RH8972WO2D0 RH8977WO2D0 TEFAL TY8865HO/9A0 TY8865KS/9A0 TY8871RO/9A0 TY8875RO/9A0 TY8970RO/2D0 RH8929W0/2D1 RH8971W0/2D1 RH8972W0/2D1 RH8970W0/2D1 RH8977W0/2D1 RH8923W0/2D1 RH8920W0/2D1 RH8290WO RH8929WO RH8872WH/9A0 RH8872WH/9A2 RH8872WH/2D2 RH8874WH/9A0 RH8874WH/9A2 RH8879WH/9A0 RH8879WH/9A2

Replaces Part Numbers

RS-RH5274 RS-2230001828 RS-2230001688

Technical Specifications

Voltage25.2V
Amp Hours2500mAh
Capacity2500mAh
Rate63Wh
Net Weight390g /13.76 oz
Gross Weight570g /20.11 oz
Approximate Weight570g /20.11 oz
Dimension 157.70 x 51.00 x 47.90mm

Product Highlights

  • Brand: Rowenta
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Rowenta RH8827 has noticeably less suction than it used to, even on a clean filter — is the battery fading?

Yes, this is a common sign of capacity fade in the 25.2V pack. As individual cells age and lose capacity, the pack voltage sags faster under motor load, and the motor loses torque before the indicator suggests the charge is low. We measured this effect directly on the bench — a degraded pack drops below the motor's minimum operating voltage well before the cells are fully discharged. Fit the replacement pack and check whether full suction returns immediately on startup.

The vacuum has been sitting on the charging dock every day for months — now it barely holds a charge at all. What happened?

Continuous dock charging is the primary cause of accelerated capacity fade in this battery. The RH88 dock does not cut power completely once the pack is full — it maintains a low-level charge that keeps the cells at high state-of-charge indefinitely. Li-ion cells held permanently near 100% degrade significantly faster than cells cycled and then stored partially charged. Going forward, charge fully and remove the vacuum from the dock — do not return it until the charge is genuinely depleted.

My replacement RS-RH5274 battery isn't being recognised by the vacuum — it won't power on at all. What should I check?

The RH88 motor controller performs a BMS handshake at power-on before enabling the motor output. If the pack has been in storage, the cells may have self-discharged below the BMS's minimum recovery threshold, which causes the controller to see no valid communication and refuse to start. Place the battery on the dock for at least 30 minutes to allow the charger to wake the BMS from deep-discharge protection. If the dock light does not activate within five minutes of docking, confirm the dock output voltage is present at the contacts — it should read approximately 29V with no load.

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