Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: how do you know what battery works on what Toshiba laptop
Document: it works just as it stated! My laptop is BACK in perfect working order this battery is a toshiba product just as stated and is still working great!
This is an original Toshiba laptop batter. Works like a charm. My laptop is 7 yrs old and I finally had to replace the battery. Found this one on Amazon. Arrived within a week and I now have a good 2+hours of battery life.
Battery doesn't work, ordered the exact oem toshiba battery and still no good. I put another generic brand battery and and works just fine
works perfect with my Toshiba Satellite 205A  great  price ,  arrived on timeand was well packed  I am  happy with this purchase.
Works perfectly. My laptop is older and I didn't think I would be able to find a battery that would fit.
This battery is very good. It is the third one I have had to order as I had to return the first 2. They didn't work at all. This is a fairly old laptop and it is difficult finding batteries for it. But, this one works good.
Excellent fit. Restored function to my laptop. I don't usually use with just the battery, but I needed to replace due to loss of time without power cord. Now works like new
purchases the truth I was very bad because the battery they sent me not chock my toshiba laptop it will stay a millimeter bigger .... and do not go to buy despite the era of same features ... thanks
This battery pack worked as advertised. Performed the three charge/discharge cycles as suggested. Battery run time was two and one half hrs.I wanted a Toshiba battery for my Toshiba laptop.
It arrived very quickly (~3 days) and it is a Toshiba brand battery. Not sure if it is brand new though, it was not shrink wrapped. I hope that it will last at least a few hours...but at any rate, it's better than my old (almost non-existent) battery and I refuse to buy a new laptop.
Answer: Well, if you have a Toshiba laptop, take a look at the current battery.  Or look on eBay for Toshiba batteries, but they seem to make a lot of different kinds, so be sure to get the right one.  Somewhere under Help, check your laptop system hardware.