Wide Compatibility : NYI Replacement Battery Compatible with Ecovacs Deebot 500, N79,N79W, N79s, DN661 DN622 DN622.11, Eufy Robovac 11, 11S, 11S MAX, 11S PLUS, 12, 15C, 15C MAX, 15T, 25C, 30, 30C, 30C MAX, 35C, 25C, 25C Max, G10 Hybrid, G30, G30 Edge, G30 Hybrid, G30 Verge, G20, R500, R450,G15, G20 G20 hybrid, G40+ G40 hybrid and Ecovacs Deebot N79S, Deebot N79,N79W Deebot DN661 DN622 DN622.11, Tesvor X500, Amarey A800 A900, Goovi F007C D380 D382, Coredy R300 R500+ R3500S Etc Longer Battery Life : Robovac 11 battery replacement 14.8V 2800mAh rechargeable battery can last for more than 500 cycles, and each charge can last for 120 to 180 minutes.Excellent quality makes you more comfortable to use. Safe and Secure : Robovac 11S MAX battery replacement has a built-in safety protection system to prevent short circuit, overvoltage, overcurrent, overheating, and overdischarge, giving you more peace of mind when using the vacuum cleaner. Easy installation : Just remove the two screws on the bottom, remove the battery connector and install the RoboVac G30 battery replacement. Note: If you have any questions about the product, you can contact us first and we will handle it for you within 24 hours. For models not mentioned, if you are not sure whether it is compatible with your model, please consult us first. Upgraded 2800mAh 14.8v Li-ion Battery Compatible with Ecovacs Deebot N79 N79S N79W deebot 500 DN622 DN622.11& Eufy RoboVac 11 11C 11S 11S MAX 12 15C 15C MAX 15T 25C 25C Max 30 30C 35C G10 R500 R450 Robot Vacuum