eufy robovac replacement battery pack, compatible with robovac 11, 11s, 11s plus, 11s max, 12, 15c max, 15c, 30, 30c, 30c max, g10 hybrid, accessory eufy <b>high quality</b><br> authentic part manufactured by eufy. eufy can only guarantee the quality and performance of authentic parts. accessories and replacement parts manufactured by 3rd parties may have a negative impact on product performance or cause damage to your robovac. use of 3rd party replacement parts could void your robovac's warranty.</b><br> <b>limited warranty:</b><br> this eufy accessory comes with a 12-month warranty, and friendly, easy-to-reach support.