Features 1、Compact and Versatile: The lithium battery's incredibly lightweight design makes it simple to transport, providing a perfect balance of power, performance, and weight, ideal for all RC enthusiasts. 2、Excellent Outer Shell: Manufactured using robust, durable materials, the lithium battery's casing is build to last, offering users durability, stability, and extended service life. 3、Extended Battery Life: This durable lithium battery can supply ample power for longer periods, maximizing enjoyment and fun that comes from using your RC toys. 4、Safe Charging Measures: The lithium battery features both overcharge and short circuit protection, ensuring safety during the charging process, your battery's health is our priority. 5、Powerful Discharge Capacity: The 20C high discharge rate ensures consistent and reliable power supply for your RC models, delivering an exhilarating, accurate performance every time. Item Type: RC battery Material: Lipo Weight: Approx. 19g / 0.7oz Capacity: 220mAh(shipped only battery) Voltage: 3.7V Fitment: Fit for X4 X11 X13 Package List 1 x RC Lipo Battery