RTC BIOS CMOS Battery Dell Latitude E6430 E6530 E6520 E6540 E6440 E6420 E7270
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$3.22 $3.58
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About this item
Is your Dell Latitude forgetting the date, time or BIOS settings whenever it loses power? A worn-out RTC CMOS battery is a common culprit. This listing names the E6430, E6530, E6520, E6540, E6440, E6420 and E7270 and costs $3.22.
How do I know this CMOS battery fits my Latitude?
Check your model on the bottom label against the list above. Then compare the seller's photos of the cable and plug with your old battery.
- Access: expect to open the bottom cover, so keep a small screwdriver handy.
- Safety: unplug the charger and disconnect the main battery first.
- After install: reset the date, time and any custom BIOS options.
- Quantity: confirm how many batteries the price covers.
It's a cheap fix for IT teams refurbishing fleets or anyone keeping an older business laptop going.