External Battery
The Herelink Black Pro supports an external V-Mount FX Li-ion Battery for extended operation.

This 14.8V battery has a capacity of 50Wh and a working current up to 8 Amps.
USB-C In- & Output, USB-A Output, Micro USB Input and wireless charging Output.
| Voltaje | 14.4V |
| Capacity | 3.4Ah 50Wh |
| Load | 8A (max.) |
| USB-A Output | 5V/2.4A, 9V/2A, 12V/1.5A |
| USB-C In- & Output | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3A (60W max.) |
| Micro USB Input | 5V/3A, 9V/2A 12V/1.5A |
| Wireless Charging Output | 15W max. |
| Working Temperature | -20°C to 55°C |
| Dimensions | 101(L)mm×72(W)mm×39(H)mm |
| Weight | 330g |
⚠️
Air Transport certification DownloadAIR-Transport-Certificate.pdf 📄
Voltage Per Cell:
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Fully charged: ~4.2V per cell → 4.2V × 4 = 16.8V.
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Nominal voltage: 3.6V per cell → 3.6V × 4 = 14.4V.
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Fully Discharged: ~3.0V per cell→ 3.0V × 4 = 12.0V.
Recommended cut-off voltage:
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Safe discharge limit: ~13V.
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Conservative cut-off (for longevity): 13.2V (3.3V per cell).