Ecovacs S01-LI-148-3400 3400mAh Replacement Battery for Deebot Ozmo 901 / 905 / 920 / 930 / 937

Compatibility note: This is a replacement 3400mAh battery, model S01-LI-148-3400, for Ecovacs Deebot Ozmo robots (901, 905, 920, 930, 937). Please verify the model and part number printed on your original battery before ordering; contact us if you cannot confirm to avoid purchasing the wrong item. Safety & usage guidance: 1. Always charge with the original charger or a reputable, compatible charger. 2. Do not expose the battery to fire or immerse it in water. 3. Avoid storage or operation at high temperatures — do not exceed 140°F/60°C. 4. For storage, keep the battery in a cool, dry place and maintain its charge level between 5%-95%. 5. New Lithium-Ion batteries should be cycled by being FULLY CHARGED and FULLY DISCHARGED 2 to 3 times to reach optimal performance and lifespan. After 2 to 3 complete cycles, additional conditioning is not normally required. 6. Prevent short circuits: avoid contact between the battery terminals and metal objects (coins, clips, pens, etc.), as direct connection of the positive (+) and negative (-) terminals can cause damage. 7. If the battery will be on standby for a period, store it in a cool, dry environment. Shipping information: 1. Orders are dispatched within 4 days after purchase. 2. Quoted prices do not include any destination customs duties or import taxes. 3. Typical transit time is 25-45 days. Product warranty and returns: 1. All items are inspected before shipment to ensure quality. 2. We offer a two year warranty on quality and will perform repairs free of charge under warranty; return shipping costs are the responsibility of the customer. 3. If a package appears delayed, it may already be at your local post office or in your mailbox rather than lost. Feedback & support: 1. If you encounter any issues (non-delivery, item not as described, or other concerns), please contact us first rather than leaving neutral or negative feedback or opening a dispute — we will work to resolve the problem. 2. We value our customers and strive to address any unexpected problems promptly. 2807. If you are not satisfied with the goods, please message us before leaving negative feedback or initiating a dispute on Alibaba; we will do our best to reach a satisfactory solution.