{"product_id":"tefal-ty9152-replacement-battery-259v-2600mah-li-ion","title":"Tefal TY9152 Cordless Vacuum Replacement Battery 25.9V 2600mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eTefal TY9152 \/ TY9171 \/ TY9179 Series — 25.9V Li-ion Replacement Battery (RS-2230001774)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 25.9V Li-ion battery replaces OEM part RS-2230001774 in Tefal cordless stick vacuums. It fits the TY9152, TY9171, TY9179, and TY9152WO\/2D1 models. Capacity is 2600mAh (67.34Wh), matching the original cell specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTY9152 \/ TY9171 \/ TY9179 platform fit:\u003c\/strong\u003e\n    These models share the same 25.9V battery rail, connector pinout, and BMS handshake protocol. One cell pack covers the full listed range without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran charge and discharge cycles on this cell in a TY9152 unit. The BMS communicated correctly with the charger, reached full charge without fault codes, and the motor drew rated current under normal load without triggering overcurrent cutoff.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eDock charging habit on Tefal stick vacs:\u003c\/strong\u003e\n    Do not leave this vacuum sitting on the charging dock continuously between uses. Constant trickle charge degrades Li-ion cell capacity significantly faster than normal cycle use. Charge to full, then remove from the dock until the next clean.\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 TY9152 platform, suction loss under load almost always comes from voltage sag at the motor, not from actual low capacity. A partially blocked filter forces the motor to draw above its rated current. The BMS reads the resulting voltage drop as a low-cell event and throttles output to protect the pack. Clean the filter first — if suction recovers, the battery was not the cause.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cuts out mid-session then comes back on its own\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis is a BMS overcurrent trip, not a dead battery. When sustained suction restriction — blocked filter, tangled brush roll, or sealed floor nozzle — forces current above the BMS threshold, the pack shuts output off as a protection measure. It resets automatically once current demand drops. Clear the restriction, wait 10 seconds, then power back on. If cutouts continue with a clean filter, check that the replacement cell BMS is rated to the same cutoff threshold as the original — the RS-2230001774 spec calls for a 25.9V nominal pack.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43427970711642,"sku":"BWCS-RTS774VX-1","price":60.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43427970744410,"sku":"BWCS-RTS774VX-2","price":70.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43427970777178,"sku":"BWCS-RTS774VX-3","price":77.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-RTS774VX-1.webp?v=1779933588","url":"https:\/\/batteryweb.com\/products\/tefal-ty9152-replacement-battery-259v-2600mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}