Hi,
Do you know if a 55W battery will even physically fit into the laptop and if the battery cable is connected in the same place so that it will reach the motherboard’s battery connection? They may be the first things to know.
Looking at the parts for the laptop it only specifies the 35W and 45W models. (click on Select Commodity > Rechargeable Batteries and internal (9) to view al the options. If you decide on a 45W battery, search online using the part number only of the one you want, to find suppliers that suit you best.
Here’s the hardware maintenance manual for the laptop, taken from the laptop’s support webpage
Go to p.31 to view the necessary pre-requisite steps and then the procedure to remove/replace the battery.
Here’s the warranty information for the laptop. On p.2 it gives information about battery replacement and on p.3 it says to go to the warranty lookup page to find out details about the warranty for your laptop. Presumably because the warranty can vary depending on what location you’re in or where the laptop was first purchased. In most places opening a laptop still covered by the warranty will void the warranty.
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