Features 1、Application: This battery is a lithium battery suitable for T39 T40 F39 F49 822 remote control aircraft battery and other modifications. 2、Long Life: 7.4V 1500mAh lithium polymer battery, which provides long working time and brings you longer entertainment time. 3、High Conversion Rate: Stable performance and accurate design realize maximum energy conversion, providing high discharge performance and high power conversion rate. 4、Replacement Parts: This lithium polymer battery can be used as the backup battery of the RC car or the replacement battery to increase the service time. 5、Safety: It is made of premium materials, durable, safe, eco friendly, high performance, stable in structure, and can be used for a long time. Specification Item Type: Lithium Battery Material: Lithium Polymer Gross Weight: 123g / 4.3oz Battery Type: high rate cylindrical lithium battery Battery Voltage: 7.4V Battery Capacity: 1500mAh Discharge Rate: 15C Plug Type: 5500 heads (female) Cell Model: 18650 Product Size: Approx.7 x 3.8 x 2cm / 2.8 x 1.5 x 0.8in(excluding connecting wire) Applicable: for T39 T40 F39 F49 822 RC aircraft battery Package List 1 x Battery