I have SparkFun 6000 mAh 1S 3.7V LiPo battery. It is made of 3 pc of 2000 mAh batteries.For a single cell (3.7 volt LiPo battery) you dont have to worry about balancing since the battery charger will automatically stop charging when the 100% charge voltage of 4.2 volts is reached.
Balancing is required however on any RC LiPo battery pack that has more than one cell since the charger cant identify from different cells and know if one might be overcharged even though the total voltage of the pack indicates otherwise.
Should i balance it?