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Changes to Dell Latitude E6540 Battery Replacement Introduction

Edit by Nick

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Introduction
If you own one of these laptops, you will know these things about it regarding the performance and the battery. [ … ] * It's a powerhouse laptop for the money you spend on it(and it's even better if you get it refurbished) * If you get one used or refurbished/scratch and dent and it comes with the 6 cell battery, you will find out shortly after owning the laptop this battery is too weak. You really need a 9 cell battery to get any acceptable battery time or the off the charger time isn't that great; about 3:15 once it's in the 9% wear range.This becomes even more evident if yours has the i7-4800MQ/Dual Video configuration and if you use the dedicated GPU, since this only makes the problem worse then it would be on the Intel graphics by cutting it by about a hour from 3:15 to 2:15. [ … ] it's unlicensed, technically.''' unlicensed and illegal.''' [ … ] on battery. You may need to look around for the slice battery due to new TSA battery restrictions and Dell responding by burying the battery, but you will find it as it was once advertised on the battery page for this laptop. if I find a link to the battery, I will post it in the guide. '''However, if I post it don't blame me if the TSA confiscates it if you misread the rules!''' [ ] Here's the [http://safetravel.dot.gov/definitions.html#larger_lithium_ion|page from the TSA] I can find on this until I can find a way to explain this in language that's iFixit friendly. [http://safetravel.dot.gov/larger_batt.html|Oh, and this one.] battery.
If you own one of these laptops, you will know these things about it regarding the performance and the battery. [ … ] * It's a powerhouse laptop for the money you spend on it(and it's even better if you get it refurbished) * If you get one used or refurbished/scratch and dent and it comes with the 6 cell battery, you will find out shortly after owning the laptop this battery is too weak. You really need a 9 cell battery to get any acceptable battery time or the off the charger time isn't that great; about 3:15 once it's in the 9% wear range.This becomes even more evident if yours has the i7-4800MQ/Dual Video configuration and if you use the dedicated GPU, since this only makes the problem worse then it would be on the Intel graphics by cutting it by about a hour from 3:15 to 2:15. [ … ] it's unlicensed, technically.''' unlicensed and illegal.''' [ … ] on battery. You may need to look around for the slice battery due to new TSA battery restrictions and Dell responding by burying the battery, but you will find it as it was once advertised on the battery page for this laptop. if I find a link to the battery, I will post it in the guide. '''However, if I post it don't blame me if the TSA confiscates it if you misread the rules!''' [ ] Here's the [http://safetravel.dot.gov/definitions.html#larger_lithium_ion|page from the TSA] I can find on this until I can find a way to explain this in language that's iFixit friendly. [http://safetravel.dot.gov/larger_batt.html|Oh, and this one.] battery.