About US: We focus on designing and manufacturing varieties of Power Tool batteries with high quality and competitive price.We will do our best to serve you! Specification: Chemistry: Li-ion Brand: For Eufy / Ecovacs Model No.: TW4-11 Condition: Brand new Sub-Type: Replacement Battery Capacity: 4000mAh/4.0Ah 57.6Wh Voltage (V): 14.4V Certificate: CE PSE ROHS FCC Warranty: 5 Years + 60 DAYS Money Back Compatible with Ecovacs Deebot: N79, Deebot N79S, Deebot DN622, Deebot DN621, Eufy RoboVac 11, RoboVac 11S, RoboVac 11S MAX, RoboVac 15T, RoboVac 30, RoboVac 30C Max, RoboVac 15C, RoboVac 15C MAX, RoboVac 12, RoboVac 35C. NOTE: 1. The battery must be FULLY charged before first use. 2. The battery is stored in a cool and dry place. 3. Do not Separation, Extrusion, and Im.
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