4 3.7v Li-Po battery charger

[The Magic Man]

For my portable I have 4 3.7v Li-Po batteries. I was wondering where I could get a regulator/charger for these in series resulting in 14.8v.

 

[Mawile]

if you live in america you can go here. You can also get battery's and chargers there too. but if you live anywhere else postage get pretty high so you might need to go somewhere else.
maybe even.... EBAY!