This is ORCA 1700uF 16V Non-Polarity Capacitor. 

Features:

• For ESC

• Material: Metal

• Color: Black

• For use with all 1- 2S ESC from Stock to Modified classes.

• Orca's ONPC is one of the smallest and lightest of such capacitors in the market.

• Orca's ONPC provides the best of both size and performance to give you the extra edge over your competition.

Specification:

• Size: 20.5mm x 16mm x 6.9mm

• Weight: 7.4g

• Max Voltage: 16V

• Capacity: 1700uF (36pcs)