【Premium Battery】14.4V 4000mA premium rechargeable battery can be used for up to 500 cycles, lasting 120 to 180 minutes per charge. 【Wide Compatibility】Compatible with Ecovacs Deebot N79S, 500, N79, N79SE, N79W, DN622, DN622.11 and Eufy RoboVac 11, 11S, 11S MAX, 11S PLUS, 12, 15C, 15C MAX, 15T, 25C, 30, 30C MAX, 35C, 25C Max, G10 Hybrid, G30, G30 Edge, G30 Hybrid, G30 Verge, G20, R500, R450 Robot Vacuum Cleaners. 【Easy to Install】 Just remove the two screws on the bottom, remove the battery connector and attach the new one, and let your machine clean of all dirt, dust, debris, hair, and anything on the floor. 【Safety Battery】Reliable safeguard features with build in protection for short circuit, output over voltage, overheat and output overcurrent. CE, FCC and RoHS certified, 100% compatible with the originals. Advantage:
Uses the highest quality Lithium cells.
Overcharge and overdischarge protection to increase the life of the battery.
No memory effect, can be charged or discharged as needed without loss of capacity.
Low self-discharge for maximum productivity and less downtime.
CE, FCC and RoHS certified, 100% compatible with the originals.
No pollution to the environment.

Product Details:
Battery Voltage:14.4V
Battery Capacity: 4000mAh
Battery Type: Li-ion

Compatible with :
Ecovacs Deebot N79, Deebot N79S, Deebot DN622
Eufy RoboVac 11, RoboVac 11S, RoboVac 11S MAX, RoboVac 12, RoboVac 15C, RoboVac 15C MAX, RoboVac 15T, RoboVac 30, RoboVac 30C, RoboVac 30 MAX, RoboVac 35C.

Note:
It's recommended that the battery should be fully charged and discharged 3 times after you receive the battery.
For transport safety, our batteries are not fully charged before leave the factory.
After use, please charge the battery after cooling.

Warranty:
Our batteries come with 60 days money back.
You can contact us anytime from the date of purchase, we will try our best to provide you the best service.