|Size:||40.40 x 35.45 x 9.45 mm|
Does "limited charge cycles" have you worrying about replacing batteries often? Lithium Ion batteries have anywhere from 300-600 charge cycles which is 2-3 years of use for the average user.
To get maximum use out of your lithium ion laptop battery there are a few things to keep in mind.
You should consider buying a spare pack only if you find yourself running out of battery power often, don't buy one to have "just in case". Lithium Ion battery start to age as soon as they're produced and can irreversibly lose around 20% capacity per year even when unused. (note storage tip above to minimize this)