DIY external battery pack

Photoskipper

Any body can help to advise how to make the external battery pack for the Canon 580EXII and 550 EX.

I wanted to buy but seems no stock in my countries and websites.

tyes

Photoskipper wrote:

Any body can help to advise how to make the external battery pack for the Canon 580EXII and 550 EX.

I wanted to buy but seems no stock in my countries and websites.

Very easy. I have 2 sb-28 and built 2 of them. recycle time is 3.5 sec for full power with no lag. you'll need 4 awg wires, 30amp fuse, 6 volt batteries SLA. Many ways of doing it but try this site.

http://www.diyphotography.net/more-power-to-your-flash-external-sla-battery-flash-mod