4000 mAh battery suitable for iRobot Roomba 960 (1800LI, 2130LI, 4374392, 4376392, 4462425, 4502233). This extremely powerful iRobot Roomba 960 battery has a long operating life and is therefore ideal for larger spaces and long-term use. The advantage of a Li-ion battery for your Roomba is its long operating life and optimal capacity retention. This Li-ion battery is suitable for your Roomba vacuum cleaner if it is named in the list of devices below. This battery is only compatible with the mentioned devices. 12 months Warranty. 30-day money back guarantee