This is the Great Planes Peak 400 DC 1-10 cell Peak Battery Charger. New $29.99 (40% off). For Speed 400 size electric airplanes and bigger Park Flyers. Features: * Quick Charges 1-10 cell "A" "AA" or 2/3 sub-C NiCd or NiMH pack from 12V DC input. * Will also Charge, but not Quick-Charge, bigger batteries.. * Peak Detection ensures fully charged batteries every time. * Adjustable Charging Current from .5A, 1.2A, and 2.5A. * TRICKLE Charge currents of 40mA, 60mA, and 100mA. * Very small and lightweight, with an impact resistant aluminum case. * One year limited warranty.