Feature:1. Scope of Application: RC car lithium battery is suitable for Syma 822 T39 T40 F39 F49 RC aircraft battery and other modified lithium batteries.2. Long Lasting: 7.4V 1500mAh lithium polymer battery provides long lasting working time and brings you longer entertainment time.3. High Performance: Stable performance and precise design for maximum energy conversion, providing high discharge performance and high power conversion rate.4. Replacement: This lithium polymer battery can be used as a backup battery for RC cars or as a replacement battery to increase usage time.5. Stable and Reliable: 7.4V 1500MAH lithium battery is durable, safe, environmentally friendly, high performance and stable structure for long term use.Specification:Item Type: 7.4V 1500MAH Lithium BatteryMaterial: Lithium PolymerSize: Approx. 7 x 3.8 x 2cm/2.8 x 1.5 x 0.8in (not Including the Connection Cable)Battery Voltage: 7.4vVBattery Capacity: 1500mAhDischarge Rate: 15CPlug Type: T Plug (Female)Cell Model: 18650Applicable: for Syma 822 T39 T40 F39 F49 RC Aircraft Battery.Package List:1 x 7.4V 1500MAH Lithium BatteryNote:1. Please do not use any other equipment other than the lithium battery charging system made specifically for lithium batteries to charge.2. Do not leave the battery unattended while charging. Do not charge the battery at a current lower than 3 amps or higher than 7 amps. 4. Do not connect positive and negative terminals together. 5. Do not alter, pierce, or remove the battery from the case in any way. 6. Do not use a battery that is less than 6 volts. Stop and remove the battery as soon as the vehicle begins to run low. 7. Do not discharge the battery after use. 8. Do not store the battery in the vehicle. 9. Always charge the battery halfway and above, store it in a safe environment and disconnect it.11. Please allow 13mm error due to manual measurement. Thank you! 12. Due to different lighting, and differences between monitors, the picture may not reflect the actual color of the object.