{"product_id":"ufesa-ae4822-sena-replacement-battery-259v-2200mah-li-ion","title":"Ufesa AE4822 SENA 25.9V Cordless Vacuum Replacement Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eUfesa AE4822 SENA — 25.9V Li-ion Replacement Battery (9210518601)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 25.9V Li-ion replacement battery for the Ufesa AE4822 SENA cordless vacuum cleaner. It carries a 2200mAh (56.98Wh) capacity and matches the OEM part number 9210518601. It restores suction power to the AE4822 SENA when the original cell has degraded past usable capacity.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAE4822 SENA platform fit:\u003c\/strong\u003e\n    The AE4822 SENA runs a 25.9V Li-ion cell stack with a specific BMS handshake that gates motor startup. This replacement matches that voltage rail and connector pinout so the vacuum's motor controller recognises the pack and allows the unit to power on.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge and discharge cycles on the AE4822 SENA platform. The BMS held voltage within spec under sustained suction load, and the protection circuit responded correctly to simulated overcurrent without nuisance tripping under normal use.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eDock charging discipline for the AE4822 SENA:\u003c\/strong\u003e\n    Do not leave the vacuum sitting on its charging dock continuously. The AE4822 SENA dock does not actively switch to a true standby state once full. Charge to 100%, then remove the unit from the dock until the next use cycle.\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 on the AE4822 SENA\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe AE4822 SENA motor draws more current when the filter is partially blocked or the dustbin is full. That extra draw causes voltage to sag on a degraded cell before the indicator circuit registers a low-battery condition. The motor slows before the light ever flashes. A fresh 25.9V pack reduces this effect, but only if the filter is clean — a restricted filter will pull the same excess current from the new cell too.\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 dead battery. When suction is sustained against a blockage or a clogged filter, current draw spikes and the protection circuit shuts the pack down temporarily. The BMS resets once current demand drops, which is why the vacuum restarts after a short pause. Clear any blockage, wash or replace the filter, and confirm the resting cell voltage reads above 22V before ruling out a failing pack.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43427957211226,"sku":"BWCS-PCM810VX-1","price":98.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43427957243994,"sku":"BWCS-PCM810VX-2","price":116.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43427957276762,"sku":"BWCS-PCM810VX-3","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PCM810VX-1.webp?v=1779933588","url":"https:\/\/batteryweb.com\/products\/ufesa-ae4822-sena-replacement-battery-259v-2200mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}