XIT Replacement Battery F/HERO 4~1600 mAh

Battery on Woot is $6.99 plus $5 shipping or you can get it from their parent company Amazon for $6.31 with free prime shipping.

ordered 2x, received only 1 piece

Oh jeez, sorry you’re missing one! Please email support@woot.com with your order info and situation; CS can help you out.