ZOHD 4S1P Lionpack 3500mAH Lithium Ion battery pack. Max current 10A, perfect for the Nano Talon Evo. 1hr flight time is possible with throttle management. In this flight I used 1000mAH over 19min without trying to conserve power.
Check the ZOHD link for all the specs, including the 2S version
Huge radio-controlled cardboard airplane made at home with cereal boxes, this time the only thing not made with cardboard is the fuselage, since this kind of cardboard is not strong enough to stand...