Originally Posted by ILLusion
I personally don't charge any of my batteries higher than 500mA. In some cases, I'll even do as low as 150.
150mA is pretty conservative but then again, it helps preserve batteries with an extremely low chance of even getting the slightest bit warm.
(or you do what I used to do with my old TLP charger and NiMH cells @1C or higher and build a cooling box with surplus computer fans hahaha)