Features: -High quality material guaranteed, efficient and safe in normal use, durable in long-term use, help you get more playing time.-USB charging, with USB charging cable, you can charge batteries with any household adapter that comes with USB port, such as cell phone charger, power bank, laptops, easy to plug in and unplug.-With indicator light. When charging, green light flashes; When fully charged, green and red light all solid.-Compatible with RC toys, RC truck vehicles, RC ships, boats and other remote control electronics.Specification:Battery type: Li-ionVoltage:7.4VCapacity: 1500mAhMagnification: 15CConnector type: SM connector and JST-XH 3 pin connectorUSB cable input: DC 5VOutput current: 1000mACharging time: about 150 minutesUsage time: 8-.