Sea jump 2PCS 3.7V 500mAh Li-ion Battery with USB Charging Cable Suitable for Huina 1337 1338 1516 1517 Remote Control Engineering Vehicle RC Remote Control Toy Car Battery

The Sea Jump 2PCS 3.7V 500mAh Li-ion Battery is a replacement power source designed for remote-controlled (RC) vehicles. This battery pack features a 3.7V nominal voltage and a capacity of 500mAh, providing a compact and lightweight power solution. Each battery weighs 18 grams and measures 50mm x 14.5mm (1.97in x 0.57in). It utilizes a Lithium Polymer (LiPo) chemistry in a 1S configuration. The battery is equipped with a JST-2P plug for both discharge and charging, ensuring compatibility with specific RC models. It is specifically designed for use with Huina brand remote control engineering vehicles, including models 1337, 1338, 1516, 1517, 1552, 1553, 1554, 1555, 1556, 1557, and 1558. The package includes two batteries and two corresponding USB charging cables. The included USB smart charger has an input of DC 5V 1-2A and an output of DC 3.7V 500mA, featuring a two-pin balanced charging plug and a red LED charging indicator. Users should ensure the battery's voltage, physical dimensions, and connector type match their device before use. Proper handling includes avoiding deep discharge, disconnecting the battery when not in use, and not using it if signs of damage like swelling or leakage are present.