3v
appliance
backup
batteries
bios
button cell
circle
circuit
closeup
cmos
coin
coin cell
component
computer
cr2025
data
device
digital
electric
electrical
electricity
electronics
energy
engineering
equipment
hardware
industry
install
laptop
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lithium battery
macro
mainboard
mechanic
memory
motherboard
pc
personal
power
repair
replace
slot
socket
system
tech
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voltage
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