Product Specification:Battery Type: Lithium-ionBattery Voltage: 21
Do not Separation
Intelligent program protection prevents overcharge
For iRobot Roomba 540
No memory effect and eco-friendly can be charged or discharged as needed without loss of capacity
2 Pack 14.4V Makita Replacement Battery |1420 1422 1400 4.8Ah Ni-MH Battery 2020-8-25 Product Specification:Battery Type: Lithium-ionBattery Voltage:Compatible Models: MAKITA 14. 4 Volt Cordless Drill Power Tools,1051D, 1051DWA, 1051DWAE, 1051DWD, 1051DWDE, 1051DWF, 1051DWFE, 1051DZ, 4033D, 4033DZ,4332D, 4333D, 4333DWAE, 4333DWD, 4333DWDE, 4333DZ, 5094DWD, 5630DWD, 6228DW, 6228DWAE,6228DWBE, 6228DWE, 6233D, 6233DWAE, 6233DWBE, 6236DWBE, 6236DWDE, 6237D, 6237DWDE, 6280DWAE, 6280DWPE, 6281D, 6333D, 6333DA, 6333DWA, 6333DWAE, 633DWBE, 6336D, 6336DWA, 6336DWAE, 6336DWB, 6336DWBE, 6336DWDE, 6337D,