Battery Charging Contacts for iRobot Roomba 680 692 | eBay
User manual iRobot Roomba 680 (English - 14 pages)
Nastima 14.8v 5000mah Li-ion Battery For Irobot Roomba 960/895/890/860/695/ 680/690/675/640/614 Replace Original 1800mah Battery - Rechargeable Batteries - AliExpress
Amazon.com: 1800LI Replacement Parts Battery for iRobot Roomba 985/980/960/600/700/800 Series Robots 614/615/640/652/665/670/671/675/677/ 680/685/690/695/790/780/770/760/700/801/805/850/860/877/890/891/895 : Home & Kitchen
Amazon.com: 4000mAh / 57.60Wh Li-ion Replacement Battery for iRobot Roomba 670, Roomba 671, Roomba 675, Roomba 677, Roomba 680 Part NO iRobot 2130LI, 4374392, 4376392, 4462425, 4502233 : Home & Kitchen
Cameron Sino 4000mah Battery For Irobot Roomba 614,615,640,652,665,670,671,675,677,680,681,685,690,691,695,696,801,805,850,860 - Digital Batteries - AliExpress