Battery Model: P1904-4S1P-MM
Voltage limit: 14.4 DVC
Compatible with: For Xiaomi Mijia Mi Sweeping Mopping Robot Vacuum Cleaner 1C
Important: New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY PREPARED. Please remember that a new Lithium-Ion battery's full performance and longevity is only achieved after 2 to 3 complete charge and discharge cycles. After you go through 2 to 3 cycles, you'll never have to fully discharge your battery again!