If your cap drains to fast on you ship you might want to fit it with something that makes it recharge faster. What Ive been calculating on is if its better to use a cap battery than a cap recharger. My conclusion is that it depends on what ship you are in or even which class the ship is.
Here is an few examples:
Capacity: 250 Energy
Recharge time: 187.5 secs
this means it takes 187.5 seconds to charge 250 energy. A tech1 cap recharger recharge 15% faster and a tech 2 recharge 20% faster.
Tech 1 recharger: 159.375 secs (1.57 e/s)
Tech 2 recharger: 150 secs (1.6 e/s)
Now we come to the interesting part. What happens if you slap on a cap battery? Lets slap on a tech 1 and tech 2. A tech 1 adds 75 energy and a tech 2 adds 105 energy. The recharge time is still the same, 187.5 secs. So how long does it takes untill it has recharged to 250 energy?
Total cap: 325 energy (1.7 e/s)
Time to recharge 250 energy: 147 s
Total cap: 355 energy (1.87 e/s)
Time to recharge 250 energy: 133.6 s
So you see if you use a tech 1 battery its going to recharge your cap faster than a tech 2 recharger. On the otherhand doing the same calculation on a battlecruiser we get a different result:
Capacity: 2812.5 energy
Recharge time: 750 s (3.75 e/s)
Tech 1(15%): 637.5 s (4.41 e/s)
Tech 2(20%): 600 s (4.68 e/s)
Medium Tech 1(+300 e):
Total cap: 3112.5
Time to recharge 2812.5 energy: 677 s (4.15 e/s)
Tech 2(+420 e):
Medium Total cap: 3232.5
Time to recharge 2812.5 energy: 652.5 s (4.31 e/s)
As you can see on the frig its better to fit a battery than a recharger and on a BC its better to fit a recharger. The less cap the ship has the better the batteries is going to work. And the more cap the better will the rechargers work.
I haven’t done the math on cap boosters. They are abit more complicated. And I don’t have a clue if they are better or not. A guess is that they are better if you want cap NOW but for a longer run you might want faster recharge rate.