The Dell 451-BCIB is a rechargeable laptop battery for supplying power when the laptop is away from a mains connection. Its three-cell lithium-ion design stores energy for portable use.
It has an energy capacity of 42 Wh, a rated voltage of 11.4 V and a stated charge capacity of 3600 mAh. These figures describe the battery’s stored energy and electrical output for a compatible laptop.
Identified by Dell part number 451-BCIB, it is intended to replace a battery when this exact part is specified, restoring portable operation to the laptop that uses it.
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