Or one could buy a charger with a built in AC/DC converter/ power supply, such as the Bantam BC6 or Hyperion 606i. Both are limited to 50 watts output as a result, buts thats fine for charging a ~5000mah 2s lipo in 1 hour, closer to 1.5 hours for a 4s item of similar capacity ( charge time = voltage of lipo x amp capacity in relation to the power output of the charger; if the answer is 14.8v x 5amps = 74watts, then it will take a 50watt charger ~1.5 hours, as 74watts is about 50% more than 50watts, see?...)
Whatever floats your specific boat though, I like my BC6 as its simple, like me...
