Suitable for DJI Phantom 2, including V1, V2 and Vision+; 5400mAh can support 28mins flight; Easy to plug in and out; No need to connect any cables; Precise battery level indication:  On the original assumption, battery levels are used to be estimated by measuring voltage. As the motor spins, voltage drops, which makes these estimates inaccurate; But this battery monitors the total amount of energy consumed, it can offer a precise battery level indication; Super long flight time: flight for 28 minutes covering around 10 miles; Integrated battery level checker: 4 bright LEDs are builted into the battery module to display the battery level and you can monitor the flying closely; Easy to recharge: battery indicator lights will keep you updated on charge progress; Safer than ever: Short-circuit protection and large current protection are all integrated into the battery; Increased battery life: the cell is protected by battery frame; With low voltage protection: Once it reaches a certain limit, it will turn itself off.