Amazon.com: HGUIM 2500mAh/45.00Wh Replacement Battery for McCulloch ROB R1000 2019, ROB R600 2017, ROB R600 2018, ROB R600 2019, ROB R800 2017, ROB R800 2018, ROB R800 2019 : Electronics
ROB 500 Battery - McCulloch ROB 500 Battery - Spare Module Type McCulloch ROB 500 Replacement Lithium Ion (Li-Ion) Lawn Mower Battery – CutRateBatteries.com
Cameron Sino 1500mAh/2500mAh Lawn Mower Battery for MCCULLOCH R1000 2017/2018/2019, R800 2017/2018/2019, ROB R600 2017/2018/2019 - AliExpress