A good smart charger will set all these your asking about automatically, the GENUINE ones that is . . .there's a load of counterfeit chargers around of popular makes , I use an imax B6 (a genuine one will have a code that you can check on the RC site) turnigy are good too BUT if your paying less than £30 for one it may be a fake , same applies to most smart chargers .
You set your own charge rate, in your case 1amp for the first few charges , then up to 1.5amp from then on , don't charge at the full rate of your cell pack it'll shorten pack life considerably , invest in a heat sensor lead (a good charger will have a port for it) 8.4v -8.6v will be fully charged, you cant go by the miliamp figure displayed as there is probably remaining charge in the pack, its not wise to fully discharge a pack .
A pack will warm up as its charging , BUT (need a heat sensor here) the cells can short out internally & temperatures run amok , I speak from experience here
threw the pack out into the yard & it smoked for quite a while . . .
Bill