mAh

That is a very broad question. Whats your voltage?. How much battery life do you want? How small do you want your portable to be? Are you using custom regulators? We would love to help you, but you need to give us a little more information
 
EddyWouldGo said:
I'm sorry, but the only power source capable of generating 1.21 gigawatts of electricity is a bolt of lightning.

Lightning? Of course! If we are going to wire the power of lightning, we are going to need to use Lightning cables. Those run off of 5v. So 1.21 gigawatts, if at a voltage of 5v, is 242,000,000 amps. SOOOO if you want a 4 hour battery life, you are looking at a capacity of 968,000,000 amp hours if your batteries are 5v. But since we need a stepup regulator, we can simplify the power requirement to Thor
 
On a more seriousness note, you are still lost half a year later, so I will offer some guidance.

You seem to have a be missing quite a bit of information on electronics. The questions you are asking are lacking some of the fundamental prerequisite knowledge for building a gamecube portable.

I am not saying this to insult you, or make you not want to post again. I just don't want you to get hurt. Li-ion batteries are safe in controlled situations, but are incredibly dangerous if proper safety precautions are not met. This is probably <10whr in capacity, but portables can have batteries as big as 50 or 100 whr. The same effect can happen if charged incorrectly or shorted.

Check out some youtube channels to learn this stuff quickly, such as Afrotechmods, who will teaches you exactly what to do, or ElectroBoom, who teaches you exactly what not to do.

Ill help you out on this one though.
First you need to gather all your electronics and measure how much current they draw all together, and convert to watts. Then you calculate whr needed based off of how long you want to power said portable. Figure out the whr, figure out what voltage you want the source to be, and then use ohms law to figure out the mah.

I didn't know any of this a year ago, and I really know what its like to be in your shoes. Modretro is unmatched for helping with videogame console specific electronics, but I assure you it is MUCH easier to learn basic electronics on other websites. So go learn the basics the easy way, and then start digging for specifics.

If you need any help, I will gladly try to answer any question you have or point you to where to find the answer. I look forward to seeing your portable!
 
Dyxlesci thanks and I know I'm still lost and I'm still in planning how I'm doing this but, I will watch Afrotechmods and ElectroBoom because I really just now starting getting in to the portable business. Also thank you for worrying that i would get hurt.

EDIT (2 hours later)

I just finished watch Afro and i starting to understand what whr, Ah , Wh , mAh , and voltage really means but im going to learn some more because in July - August i want to make some progress with this portable
 
Messages are always lost in translation to text, so you can never be too careful with words.

Certainly. Learning from others online will allow you to learn everything without spending a whole bunch of money destroying boards. Unless you are in my position with the wii where nobody knows about the boards, haha.

Learn about a wide variety of electronics outside of just what you are looking for, so you will encounter way more efficient ways to do things. Gluing the slider of 2 switches together works, but a dpdt switch works better. What tools will cut a perfect shape for this? Which glue works best for where? You can save a lot of headache this way.

Its a bit of a learning curve, but what I love about this community is how helpful they are to help you get to the top. Had they not been there for me, I would not be able to help you.
 
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