All PRO-X brick batteries have an incorporated D-Tap port so you can power virtually any 12V7.4VDC device.Those who have cameras which limit the current output to the onboard port can now simply tap into the battery. The unique USB port outputs standard DC 5V. It can power for mobile phone,iPad etc. All DV batteries have a 4-stage LED Power Gauge so you can quickly reference the charge status of the battery in 25% increments.
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