The connector is a JST XHP-2. http://www.digikey.com/product-detail/en/B2B-XH-A(LF)(SN)/455-2247-ND/1651045

Here's an Amazon link for 10 mating pigtails: http://www.amazon.com/2-Pin-JST-XH-Balance-Connector-Adapter/dp/B00R1J91JY/ref=sr_1_2?ie=UTF8&qid=1454076806&sr=8-2&keywords=JST+XH+2+pin

You could also buy crimps, housing, and crimp tools from your favorite supplier, like DigiKey. http://www.digikey.com/product-detail/en/XHP-2/455-2266-ND/555485