HELI TALK

Parallel Charging the Safe and Easy Way Lithium-polymer cells have revolutionized electric flight, but as any e-flier knows, LiPo charging and maintenance can be time consuming. For optimum service life, LiPos should be stored around 3.8 volts per cell, which creates a bottleneck for spur-of-the-moment flying, and recharging batteries at the field can be a chore when you'd rather be in the air. Many electric fliers compensate for this by using a whole phalanx of...