Powerextra 14.4V 3800mAh High Capacity Battery for iRobot Scooba 330 340 350 5800 5900 6000 Compatible APS replacement battery for Floor Washing iRobot Scooba 5800 and 5900 No memory effect. Can be charged or discharged as needed without loss of capacity Products are CE certified, tested by manufacturer to match OEM products. Made of lead-free SMT process,fit with the requirements of environmental protection 30 Days Money Back 12 Months - Free Exchange Guarantee!