Capacity and performance capacity 3000mAh lithiumion battery provides longer runtime than standard 2600mAh cells, enabling extended cleaning sessions 14.4V supply with 43.2Wh power output delivers consistent performance and reliable operation for compatible vacuum models Compatibility Designed for Ecovacs Deebot N79, N79S, DN622, DN621 and Eufy RoboVac 11, 11S, 15C series Safety features Builtin protection against overcharging, overdischarging, and temperature fluctuations for safe operation Key benefits Longer run time per charge reduces the frequency of battery swaps Reliable, steady power across supported models Maintains performance over extended cleaning tasks Compact form factor designed for easy replacement in listed models Applications and use scenarios Use in a large multiroom home to complete cleaning in a single session without frequent recharging Use as a spare battery for households with pets or shedding, enabling multiple cleaning passes per day Use to maintain Ecovacs Deebot N79/N79S or RoboVac 11/11S/15C that require regular battery replacement to preserve runtime