Item Type: 7.4V 1500mAh Lithium Battery Material: Lithium Polymer Battery Voltage: 7.4V Battery Capacity: 1500mAh Discharge Rate: 15C Plug Type: SM Head (Female) Core Type: 18650 Product Size: Approx. 7x3.8x2cm / 2.8x1.5x0.8in (Not Including The Connecting Cable) Applicable For T39 T40 F39 F49 For Syma 822 RC Aircraft Battery Package List 1 x 7.4V 1500mAh Lithium Battery 1. Do not charge the battery with any other device other than a lithium battery charging system made specifically for lithium batteries.2. Do not leave the battery unattended while charging.3. Do not charge the battery at a current lower than 3 amps or higher than 7 amps.4. Do not connect the 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 store the battery charged and disconnected in a safe environment.10. Do not short circuit the lithium battery.11. Due to manual measurement, please allow 13mm error.12. Due to different shooting lighting, and differences between monitors, the picture may not reflect the actual color of the real thing. 1APPLICABLE MODELS: 7.4V 1500mAh lithium battery is suitable for T39 T40 F39 F49 for Syma 822 RC aircraft battery and other modified lithium batteries. 27.4V 1500MAH LITHIUM BATTERY: 7.4V 1500mAh Li polymer battery provides long lasting working time and brings you longer entertainment time. 3STABLE PERFORMANCE: 1500mAh upgraded battery has stable performance, providing high discharge performance and high power conversion rate. 4LITHIUM POLYMER MATERIAL: SM head lithium battery is made of lithium polymer material, safe, environmentally friendly and structurally stable for long term use. 5PERFECT REPLACEMENT: 7.4V 1500mAh upgraded battery can be used as a backup battery for RC car or replacement battery to increase the usage time.