{"product_id":"rowenta-rh8857019a0-replacement-battery-185v-2600mah-li-ion","title":"Rowenta RS-RH5273 Stick Vacuum Replacement Battery 18.5V 2600mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eRowenta RH885701\/9A0 Series — 18.5V Li-ion Replacement Battery (RS-RH5273)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 18.5V, 2600mAh (48.1Wh) lithium-ion battery fits the Rowenta RH885701\/9A0 cordless stick vacuum and compatible models in the same range. It replaces OEM part RS-RH5273 directly. The battery slots into the same position as the original and connects to the same BMS communication line the charger expects.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRH885701 and RH8813WH compatibility:\u003c\/strong\u003e\n    Both the RH885701 and RH8813WH sub-variants run the same 18.5V motor rail and use an identical connector housing and BMS handshake protocol. That shared architecture is why a single cell works across the full range — voltage tolerance and charge termination logic are identical across all listed models.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through full charge and discharge cycles on the RH885701 platform. The BMS held charge termination correctly at the expected cutoff voltage, and the overcurrent protection tripped within spec under simulated blockage load — then reset cleanly once load was removed.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eDock charging habit on this vacuum:\u003c\/strong\u003e\n    Do not leave the vacuum sitting on the charging dock continuously between uses. The RH885701 charger does not drop to a true maintenance rate once full — sustained trickle input accelerates cell degradation faster than normal cycle wear. Charge to full, then remove from the dock.\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\"\u003eThis is one of the most common complaints on the RH885701 platform, and it is usually misread as a battery fault. The motor on this vacuum draws significantly more current when the filter is partially blocked — restricted airflow forces the motor to work harder, pulling the cell voltage down faster than the indicator anticipates. The BMS reads that voltage sag as normal draw and does not flag low battery, but suction still suffers. Clean or replace the filter first, then retest — if suction holds steady through a full charge cycle, the battery is not the issue.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cuts out mid-clean then recovers after a few seconds\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis is a BMS overcurrent trip, not a failed battery. When suction is restricted — blocked nozzle, saturated filter, or heavy carpet pile — current draw spikes above the BMS protection threshold and the cell disconnects to protect itself. The recovery after a few seconds is the BMS resetting once the overcurrent condition clears. Check the nozzle for blockage and inspect the filter before assuming the replacement cell is faulty. If the trip happens on an unobstructed floor with a clean filter, measure resting cell voltage — it should sit above 18V after a full charge.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43427999121498,"sku":"BWCS-RTH885VX-1","price":87.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43427999154266,"sku":"BWCS-RTH885VX-2","price":102.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43427999187034,"sku":"BWCS-RTH885VX-3","price":113.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-RTH885VX-1.webp?v=1779933755","url":"https:\/\/batteryweb.com\/products\/rowenta-rh8857019a0-replacement-battery-185v-2600mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}