Ni-Mh battery charger

Hello.

I am new to the forums and need some help.
I'm going to create a battery pack using 4 AA Rechargeable Li-Mh 2460 mA batteries.
These batteries will be in series like the picture shown.
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I would like to know what the best way to charge them would be.
If I have to create a new charger could you include a schematic so I know what to do.

thank you for all your time and help

Here is some info i found from the net, you can check out the links below to have a look:
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ok well seeing that i will have have to create a new charger, which i wont be good at at all. i decided to try and look for another one again.
i have come across this one.

Ansmann AC48 Plug-In Battery Pack Charger
This is a universal Plug-In battery pack charger for 4.8V - 9.6V battery packs. It is suitable for NiCd & NiMH packs, has a charging LED and comes complete with 8 different DC plug types.
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Click to expand...

so my pack is going to be a 4-cell pack, each battery is 2460 mA. so would i charge it for 12.3 hours? or 49.2? im assuming 12.3