Dell Vostro 1220 Replacement Battery 11.1V 4400mAh 312-0140 Warranty:Warranty 1 Year the BMS enters lockout to

the BMS enters lockout to prevent damage — the phone shows nothing when you press the power button

Durability: The spill-proof AGM construction and flame-retardant ABS casing ensure robust performance and safe operation in enclosed battery compartments and vertical installations

this two-battery kit provides reliable

Parent unit showing full charge but dying within hours overnight

7V Li-ion Replacement Battery (BST5268BC)

Dell Vostro 1220 Replacement Battery 11.1V 4400mAh 312-0140 Warranty:Warranty 1 Year the BMS enters lockout toDell Vostro 1220 1220n 11. 1V Li ion Replacement Battery (312 0140) This 11. 1V, 4400mAh Li ion battery replaces the original cell in the Dell Vostro 1220 and 1220n notebooks. It matches OEM part numbers 312 0140, 429 14244, J130N, and N887N. Rated at 48. 84Wh, it restores full portable operation when the factory battery no longer holds a charge. Vostro 1220 and 1220n compatibility: Both models share the same 11. 1V battery bay, connector pinout, and