Keep your RC drones and quadcopters powered up with this handy charging cable from E-outstanding. It’s a 3.7V lithium battery balance charger that plugs into any USB port – laptop, phone charger, power bank, you name it. The kit includes a USB-to-XH2.54 cable plus an XH2.54-to-JST converter, so you can charge batteries with either plug type. Output is 4.2V at 500mAh, and it automatically stops charging when the battery is full (no overcharging worries). The LED light shows red while charging and turns off when done. Total cable length is about 63 cm, so you have some flexibility. Super portable and easy to use – just connect and go. Great for popular models like X5C, 818a, X1, X4, HS170, X300, X400, F181, F180, and many other small drones and micro RC toys. A must-have for RC enthusiasts who want a simple, safe way to charge spare batteries at home, in the car, or on the go. No complicated setup – it’s basically plug-and-play. Keep your flying sessions longer with reliable, compact charging gear. Toss it in your gear bag and never run out of juice mid-flight!