Replacing laptop parts?

Hi, i was wondering if i can replace stuff on my laptop, such as battery, processor, graphics card, etc. for better performance such as playing games. also, my friend suggest i should upgrade my hard drive to solid state, so will that be good? i have a acer aspire v5-471p Processor Intel(R) Core(TM) i5-3337U CPU... show more Hi, i was wondering if i can replace stuff on my laptop, such as battery, processor, graphics card, etc. for better performance such as playing games. also, my friend suggest i should upgrade my hard drive to solid state, so will that be good?

i have a acer aspire v5-471p

Processor Intel(R) Core(TM) i5-3337U CPU @ 1.80GHz
Manufacturer Intel
Speed 1.8 GHz
Number of Cores 4

Video Card Intel(R) HD Graphics 4000
Manufacturer Intel
Chipset Intel(R) HD Graphics 4000
Dedicated Memory 128 MB
Total Memory 1.8 GB

Memory 8.0 GB

Operating System Microsoft Windows 8 (build 9200), 64-bit
Service Pack 0
Size 64 Bit
Edition Basic

Display Maximum Resolution 1366 x 768

DVD MATSHITA DVD-RAM UJ8C2Q

CD MATSHITA DVD-RAM UJ8C2Q

Drive
Size 450.8 GB
Free 241.2 GB

are any of these parts replaceable and can be upgraded to a better one? thanks
Update: i mean upgrade, not replace
4 answers 4