external flash battery pack SF-18 For Sony

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100 Piece/Pieces (Min. Order)
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Place of Origin:
Guangdong, China (Mainland)
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Supply Ability:
1000 Piece/Pieces per Month
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Packaging Details
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50pcs per one carton
Lead Time :
10 days


YONGNUO External Flashlight Battery Pack SF-18: Protective Design ,Performance and Much useful


This external flash battery pack is an external power source for the Sony Speedlight. This Battery Pack can hold 8 AA-type batteries, ensuring a stable power supply for the speedlite, greatly increasing the number of flashes, and reducing recycling time.



-Protective Case: Protective soft case can be worn on belt or put in a bag; light and easy to carry. The one-way connector plug is designed to avoid mis-connections which can lead to flash unit damage.

1/4'' Thread Screw: Standard thread for tripod mount.

-Performance: The Pack reduces recycling time to less than half of a normal cycle and can give up to double the amount of flashes as the original ( a ). It is suitable for continuous flash use ( b ).

-Convenience: The Pack uses 8 AA batteries (same batteries as flash) and with different connecting plugs, supports most Sony flashes to greatly increase flash capacity. It's ideal for the professional.


Product dimensions: 69mm(w)x158mm(h)x25mm(d)
Net weight: 170g
Operating Temperature range: 0oC-40oC

Suits: Sony HVL-F56AM

a, Depending on state of battery charge;
b, Maximum of 15 consecutive shots without break or risk of overheating