Product name: 5300-2S1P-7.4V-100C. Configuration: 2S1P. Capacity: 5300 mAh. Voltage: 7.4V. Constant rate: 100C Dimensions: 139 x 47 x 25 mm. Weight: 280g. Available for: F3A/F3N, 700 class helicopter Packing: colour box. Note: 1. For the RC battery, only if the voltage and the plug match, then it will fit. 2. Don't over charge exceed 4.2V and don't over discharge below 3.2V. 3. Check the battery condition carefully before using or charging. 4. If the new battery won't hold a full charge or loss the charge very quickly in short time, please use Balance Charger to charge and recycle several times first. 5. For any question, you can ask us through the "My Orders" tab of your Amazon account, we will respond within 24 hours.