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Rowenta RS-RH5274 Cordless Vacuum Replacement Battery 25.2V

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From $121.99 USD $150.99
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Fits Rowenta RH8827WO/2D0 and RH8828 stick vacuums; replaces OEM part numbers RS-RH5274, RS-2230001828, and RS-2230001688.
25.2V lithium-ion pack at 3500mAh delivers sustained motor voltage under carpet load and heavy debris pickup without mid-cycle sag.
Battery slides into the vertical slot on the vacuum handle with a spring-loaded locking tab that seats flush when inserted fully.
We bench-tested this cell in the RH8828 motor draw circuit at full suction; BMS held steady under sustained 15-amp peaks with no early cutoff.
Do not leave this battery on the charging dock permanently — continuous trickle charging degrades capacity faster than charge-to-full and remove cycles.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

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To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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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.

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⚠️ 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

3500mAh

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

This is a 25.2V 3500mAh lithium-ion battery pack for the Rowenta RH8827WO/2D0 and related cordless stick vacuum models. It replaces OEM parts RS-RH5274, RS-2230001828, and RS-2230001688. The pack slots into the same bay as the original and connects to the same motor drive circuit.

  • RH8827 and RH8828 series compatibility: These models share the same 25.2V motor rail, battery bay dimensions, and BMS handshake protocol. The connector pinout and cell group count are identical across the RH8827WO/2D0, RH8827WO/2D2, RH8828, and RH8828WO/2D0, which is why one pack covers the full range.
  • Bench tested on actual hardware: We cycled this pack through full charge and discharge on the RH8828 platform. The BMS held voltage above the 21V low-cutoff threshold through the full discharge cycle and tripped correctly on overcurrent when we simulated a blocked filter condition.
  • Dock charging habit on cordless stick vacuums: Do not leave this vacuum sitting on the dock permanently between uses. Continuous trickle charging accelerates capacity fade on lithium cells in this voltage class. Charge to full, then remove from the dock until the next use.

Cordless vacuum losing suction before the battery indicator reaches low

This happens when the motor draws more current than the BMS expects — usually because the filter is partially blocked. A restricted filter forces the motor to work harder, pulling sustained current above the rated draw. The BMS reads this as a voltage sag event and reduces output to protect the cells, even though the battery is not empty. Clean or replace the filter first, then retest. If suction recovers immediately, the battery was not the cause.

Motor cutting out mid-clean then recovering after a few seconds

This is a BMS overcurrent trip, not a dead battery. When suction is restricted — blocked nozzle, clogged filter, or heavy carpet fibre buildup — the motor draws a sustained spike above the pack's current limit. The BMS cuts the circuit to protect the cells, then resets after a short thermal or timer cooldown. Clear the blockage and check that the filter is seated correctly. If the cutout persists on a clean filter and open nozzle, measure pack voltage at rest — it should read between 24V and 25.2V on a full charge.

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 Hours3500mAh
Capacity3500mAh
Rate88.2Wh
Net Weight400g /14.11 oz
Gross Weight580g /20.46 oz
Approximate Weight580g /20.46 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 stick vacuum has noticeably shorter cleaning sessions than it used to — I haven't changed how I use it. What causes that?

A partially blocked filter is the most common cause before battery age becomes a factor. When airflow is restricted, the motor draws more current than rated, which drains the pack faster without any change in how you use the vacuum. Remove and clean the filter, then run a full charge cycle and retest. If runtime is still reduced after a clean filter, check that pack resting voltage reads 25.2V after a full charge — anything below 24V on a full charge indicates cell degradation.

The vacuum runs fine on max power for a short burst, then the motor drops to low power on its own. Is that the battery or the motor?

That is the BMS stepping down output voltage to protect the cells during a sustained high-draw event. On max power mode, the RH8827 and RH8828 motor draws close to the pack's continuous current ceiling — any restriction in the airflow path pushes it over. Check the filter and nozzle for blockages before assuming the battery or motor is faulty. If the step-down happens even on a completely clear machine, measure pack voltage under load — if it sags below 21V during the drop, the cell group holding that voltage rail needs replacement.

My replacement battery charges fully but the vacuum won't recognise it as charged — the indicator still flashes as if it needs charging. What's happening?

The RH8800-series charger uses a BMS handshake to confirm cell status before releasing the charge-complete signal to the indicator circuit. If the replacement pack's BMS firmware does not respond to that handshake correctly, the charger holds the charging indicator on even when the cells are full. Verify that the pack OEM part number matches RS-RH5274, RS-2230001828, or RS-2230001688 — these are the three references confirmed for this platform. If the part number matches and the issue persists, disconnect the pack from the dock for 60 seconds, reconnect, and allow a full charge cycle to complete from a low state.

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