sea jump 5PCS 3.7V 500mAh Lipo Battery with 5in1 Charger Suitable for Huina 1337 1338 1516 1517 Remote Control Engineering Vehicle RC Remote Control Toy Car Battery Voltage: 3.7V; Capacity: 500mAh Product Weight: 18g (1PCS) Product Size: 50X14.5mm / 1.97X0.57in Package included: 5PCS battery, 1PCS 5in1 Charger, 5PCS conversion cable Battery configuration: 1S Discharge connector: JST-2P plug Charging interface: JST-2P plug Battery Chemistry: Lithium Polymer Introduction to Chargers Product Name: USB Smart Charger Input parameters: DC 5V 1-2A Output parameters: DC 3.7V 500mA Plug model: Two pin balanced charging plug Applicable battery: 1S 3.7V lithium battery Li PO/Li ion Charging indicator: When the charging cable is connected to the power supply and the battery is connected for charging, the red charging indicator light remains on and the fully charged red light goes off. Battery precautions: 1. Turn off the device when the battery level is low to avoid deep discharge. 2. Be sure to disconnect the battery from the device when not in use. 3. If the battery is bloated, swollen, leaking, overheated or any other abnormal phenomenon, do not use or charge it. 4. Do not disassemble, puncture, impact or damage the battery. Do not ignite the battery. 5. Do not overcharge the battery. Improper use, such as short circuits or overcharging, may lead to explosions or fires. Attention: Before purchasing, please pay attention to the battery size and whether the plug is suitable for your RC device. This battery is a JST-2P plug, compatible with Huina 1337 1338 1516 1517 1552 1553 1554 1555 1556 1557 1558 remote control engineering vehicle RC remote control car, electric toy car battery (can only be installed if the voltage, size, and plug match).