{"product_id":"rowenta-rh8825wi-2d2-replacement-battery-259v-2500mah-li-ion","title":"Rowenta RS-RH5274 25.9V Cordless Vacuum Replacement Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eRowenta RH8825WI \/ 2D2 Series — 25.9V Li-ion Replacement Battery (RS-RH5274)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 25.9V, 2500mAh lithium-ion battery pack replaces the OEM RS-RH5274 unit in Rowenta cordless stick vacuums. It fits the RH8825WI \/ 2D2, RH8827WO \/ 2D0 and 2D2, RH8828WO \/ 2D0, and over 70 additional models in the same platform. Voltage, capacity, and connector match the original specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRH88-series platform fit:\u003c\/strong\u003e\n    These models share a common 25.9V seven-cell Li-ion architecture, the same bayonet-style connector, and a BMS that expects a matched voltage rail on startup. Swapping to a different voltage pack triggers an immediate protection cutoff — this battery stays within spec so the BMS handshake completes normally.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through full charge and discharge on the RH8825WI motor load. The BMS held steady under sustained suction draws, recovered correctly after a simulated blockage trip, and showed no voltage sag outside acceptable limits at the motor terminals.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eDock charging practice for the RH88 series:\u003c\/strong\u003e\n    Do not leave the vacuum sitting on the charging dock permanently. The RH88 charger does not cut to zero once the pack is full — it continues a low trickle. Remove the vacuum from the dock when the charge light confirms full, and reconnect only when noticeably depleted.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSuction dropping before the battery indicator reaches low\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eOn the RH88 series, the battery indicator tracks cell voltage at rest, not under load. A partially clogged filter forces the motor to draw more current than rated, which pulls the pack voltage down sharply mid-run — enough to reduce motor speed — while the indicator still reads mid-range. The battery is not the cause; the motor is brownout-starving. Clean the filter and check the cyclone inlet for blockage before concluding the new battery is underperforming.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cuts out completely then recovers after a few seconds\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis is a BMS overcurrent trip, not a cell failure. When sustained suction restriction — blocked nozzle, saturated filter, or hair wrapped around the brush roll — forces the motor to pull beyond the BMS current threshold, the pack shuts output to protect the cells. The BMS resets automatically once the current draw drops, which is why the vacuum restarts after a short pause. Clear the restriction first; if cut-outs continue on an unobstructed vacuum, check that the charger brought the pack to 29.4V before use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43427999318106,"sku":"BWCS-RTH827VX-1","price":96.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43427999350874,"sku":"BWCS-RTH827VX-2","price":112.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43427999383642,"sku":"BWCS-RTH827VX-3","price":125.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-RTH827VX-1.webp?v=1779933755","url":"https:\/\/batteryweb.com\/products\/rowenta-rh8825wi-2d2-replacement-battery-259v-2500mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}