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This guidance will provide how to replace a battery for Dell Latitude 7420.
If you are experiencing an issue with battery performance or swollen battery, this will show you how to replace the battery by yourself which result in extending the life of your laptop and contributing to saving the planet by reducing e-waste.
Prior to following this instruction, please confirm the power is shutdown on your laptop and disconnect any adapters and charging cable.
Please note the battery used in this instruction is 4 Cell 63 Whr ExpressChargeTM Capable Battery from Dell.
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Remove the eight 7 mm screws from the from the back panel using the Phillips #1 screwdriver.
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Slide the opening pick in between the back cover and work your way around the edges to remove the back cover from the device.
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Using the Phillips #1 screwdriver, remove the five 5 mm screws.
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Disconnect the battery from the motherboard by gently pulling out the connector.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Do you know if you can upgrade the battery i.e. go from 42 to 63? I noticed the voltages were different.
One thing to be aware of is that if you order a replacement battery from Dell, they do NOT include the cable that connects the battery to the mobo! You need to reuse your old battery cable (and hope it's not bad).
