IDX CUE-H135 (CUEH135) 134Wh V-Mount with D Tap O/P (80W) Battery . The CUE-H135 V-Mount battery answers to the power demands of digital cinematography and broadcast cameras where high current loads of 10.5A/135W are standard. The CUE-H135 provides a robust 134Wh capacity with the ability to comfortably handle 10.5A/135W loads, as well as a single built-in D-Tap output capable of taking a 80W load for powering accessories.