Re-chargeable battery specefics

Forgive me for any incompetence, but how in the world is one supposed to find a 10v battery charger for 9v batteries, when as far as i can tell, they are completely different battery types and shapes?

from: //www.curezone.org/forums/fm.asp?i=1442850#i


"I would also purchase two 9v NiMH batteries + charger that charge to +10V, being able to put in a +10v battery every night makes a big difference."

because 10v actually equals 9.6? so that should actually say a 9.6 charger and batteries? like these for example:

http://www.amazon.com/PowerEx-IMEDION-Low-Self-Discharge-Rechargeable-Battery...


http://www.amazon.com/Maha-PowerEx-MH-C490F-DCW-Worldwide-Battery/dp/B0002WKD...
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