{"product_id":"wirelessfinest-4000mah-replacement-battery-for-eufy-robovac-and-ecovacs-prolonged-run-time","title":"WirelessFinest 4000mAh Replacement Battery for Eufy RoboVac and Ecovacs | Prolonged Run Time","description":"\u003ch2\u003ePower up your robot vacuum with WirelessFinest 4000mAh Battery\u003c\/h2\u003e\n\u003cp\u003eMeet the WirelessFinest 4000mAh replacement battery, designed to bring back the clean strength of your robot vacuum. Built for longevity and steady performance, it aims to restore the original runtime, letting you finish floors in fewer sessions and with less interruption.\u003c\/p\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRestored runtime and performance: maintains charge to keep cleaning sessions efficient, even on higher speed settings.\u003c\/li\u003e\n\u003cli\u003eBudget-friendly upgrade: a practical solution that addresses common battery issues without buying a new unit.\u003c\/li\u003e\n\u003cli\u003eEasy installation: a quick 2-minute swap with the included tool, no special tools needed.\u003c\/li\u003e\n\u003cli\u003eFast and safe charging: compatible with standard charger stations; built-in protection against overcharge and short circuits.\u003c\/li\u003e\n\u003cli\u003eExtended capacity: 4000mAh at 14.4V, same size and connector as OEM replacements; full charge powers longer cleanings.\u003c\/li\u003e\n\u003cli\u003eBroad compatibility: designed for a wide range of Eufy RoboVac models and select others like Ecovacs Deebot, Tesvor, Goovi, Amarey; note the 3-prong connector requirement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use and benefits\u003c\/h3\u003e\n\u003cp\u003eImagine finishing a living room with less pause for recharging, then transitioning to a hallway with renewed stamina. The battery supports longer cycles on standard or boost modes, helping you cover more ground without hunting for a charger.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent power during routine tasks and edge-cleaning\u003c\/li\u003e\n\u003cli\u003eReliable performance when tackling hair, dust, and debris on varied flooring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications and what to expect\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage and capacity: 14.4V, 4000mAh Li-ion pack for extended run times.\u003c\/li\u003e\n\u003cli\u003eChemistry and safety: premium lithium cells with protection against overcharge, over-discharge, and short circuits.\u003c\/li\u003e\n\u003cli\u003eDurability: designed for up to 500 charge-discharge cycles with minimal capacity loss (less than 5% after many cycles).\u003c\/li\u003e\n\u003cli\u003ePhysical fit: same size and connector footprint as the original battery for straightforward replacement; compatible with a 3-prong connector, not suitable for 2-prong setups.\u003c\/li\u003e\n\u003cli\u003eWhat’s included: install tool and straightforward instructions to get your vacuum back in action quickly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatibility spans popular models from Eufy, Ecovacs, Tesvor, Goovi, Amarey, Coredy, and more. This replacement is a smart option for households that rely on their robo vacuum for regular cleaning without the expense of a new unit. Use it as a way to refresh your vacuum's capabilities and extend its productive life while managing expectations about performance where real-world factors vary.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this battery compatible with my RoboVac model?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 4000mAh battery fits many models including Eufy RoboVac 11\/11S, 12, 15C\/15T, 30\/30C, 35C, and more; confirm connector type and model in details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does a full charge typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Full charges generally last about 2 to 3 hours depending on surface, settings, and model.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WirelessFinest","offers":[{"title":"Default Title","offer_id":51673425740093,"sku":"B0DSMSTZZX","price":31.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7874\/8989\/files\/wirelessfinest-eufy-robovac-11s-4000mah-battery.jpg?v=1778066708","url":"https:\/\/loftwyn.com\/products\/wirelessfinest-4000mah-replacement-battery-for-eufy-robovac-and-ecovacs-prolonged-run-time","provider":"loftwyn","version":"1.0","type":"link"}