Feature:1. Portable Design: This battery's convenient, lightweight features provide an optimal balance, making it easier to carry. Suitable for users who enjoy recreational drone flying or remote controlled airplanes.2. Durable Construction: Made from premium, durable materials. Its robust casing ensures stability and longevity, offering confidence in the battery's performance and lifespan. Great for regular users.3. Extended Battery Life: Designed to offer extended battery life, this high capacity battery allows extended operation of your toys or devices, enhancing enjoyment and user experience.4. Safety Features: Equipped with built in overcharge and short circuit protection. These safety features offer peace of mind by ensuring a safe and reliable battery charging process.5. Easy Installation: Fitted with an SM plug, this RC lipo battery can be quickly and efficiently installed and replaced, making it ideal for users of all technical abilities. Provide you with a pleasant experience.Specification:Item Type: RC airplane batteryMaterial: LipoWeight: Approx. 40g / 1.4ozCapacity: 1800mAh(shipped only battery)Voltage: 3.7VFitment: Fit for X5SW.Package List:1 x RC Airplane Battery