Features 1、LARGE CAPACITY: This drone battery comes with 3 high capacity 400mAh lithium battery that provides long lasting power for your RC aircraft. This battery offers strong performance, giving you more time in the air. 2、PRACTICAL REPLACEMENT PARTS: This replacement battery is an excellent replacement part option for your old or damaged battery. Easy to install and remove, these replacement parts ensure that your aircraft is always in excellent condition and good to fly. 3、COMPATIBILITY: These replacement battery parts are designed specifically for XK K127 remote control aircraft, ensuring proper compatibility and optimal performance. 4、1 TO 3 USB CHARGING CABLE: This battery kit comes with a 1 to 3 USB charging cable, allowing you to charge up to 3 batteries at the same time. This feature enhances the convenience of the kit and makes it easier to get back in the air. 5、PREMIUM MATERIALS: This drone battery is made from premium materials, ensuring that it is durable and long lasting. This makes the kit a great investment in the performance and longevity of your RC aircraft. Item Type: Drone battery Shell Material: Plastic Weight: Approx. 96g / 3.4oz Color: Black Battery Type: 3.7V 400mAh lithium battery(included) Fitment: For XK K127 Package List 1 x Charging Cable 3 x Battery