This is a Spektrum 3S 11.1V 2200mAh 30C Smart LiPo Battery with an IC3 connector. LiPo batteries with Spektrum Smart technology practically take care of themselves.

SPMX3004SJ30 4S 14.8V 300mAh 30C LiPo Battery

New 2-cell 5200mAh 35C lipo is perfect for 1/10 & 1/8 scale cars, trucks, and buggies and Boats. Features a huge capacity for extended run times and a gigantic C rating so you'll have all the power you'll ever need.

SPMX20002SRX 7.4V 2000mAh 2S 15C Smart LiPo Receiver Battery: Universal Receiver, IC3

Gens Ace batteries have been proven within the Radio Control community to deliver reliable and consistent performance for all modelers alike.

GEA6001S45J Gens Ace 1S LiPo Battery 45C (3.7V/600mAh) w/JST-SYP Connector

GEA6001S45UMX Gens Ace 1S LiPo Battery 45C (3.7V/600mAh) w/JST-PHR Connector

GEA4502S45JS Gens Ace 2s LiPo Battery 45C (7.4V/450mAh) w/JST Connector

GEA51002S13D5 Gens Ace Redline 2S Shorty LiHV LiPo Battery 130C w/5mm Bullets (7.6V/5100mAh)

GEA8502S60E2 Gens Ace 2S LiPo Battery 60C (7.4V/850mAh) w/EC2 Connector (Losi Mini-B)

GEA132S45DGT Gens Ace G-Tech Smart 2S LiPo Battery 25C (7.4V/1300mAh) w/T-Style Connector