The Ecovacs Deebot Ozmo 900 uses lithium-ion batteries like the S09-LI-148-3200, S01-LI-148-2600, and S01-LI-148-3200. These high-capacity batteries ensure extended cleaning cycles. Third-party alternatives like the EVE Battery offer compatible replacements with similar voltage (14.8V) and capacity (2600mAh–3200mAh). Always verify model …