Standard Specifications: This battery pack features a standard 2S configuration, a nominal voltage of 6.6V, a fully charged voltage of 7.2V, a capacity of 650mAh, and a model number of HFC1450. Battery Type: Utilizes the safer and longer-lasting LiFePO4 (lithium iron phosphate) technology. Compared to standard lithium polymer batteries, it offers improved high-temperature resistance and cycle stability, typically lasting over 2,000 cycles. Clear Connector: Originally equipped with an EL4.5-3P connector (i.e., a 4.5mm diameter banana plug, 3 pins in parallel). Please confirm your device's connector compatibility before purchasing. Applications: Designed specifically for devices requiring a 6.4V-7.2V voltage range, it's ideal for various RC models, toy cars, toy boats, and some drones using the HFC1450 battery specification. Product Features: Featuring a high discharge rate, low self-discharge, and lightweight design, it provides long-lasting, stable power output for your high-performance RC models.