DIY Flash battery pack
I Have The Power! Anyone who uses a speedlight knows their voracious appetite for batteries. No sooner do you put in a fresh set and start shooting than the recycle time seems to start climbing! It's one of the main reasons I tend to avoid using this lighting if I can. I like to maintain something of a rhythm during a shoot and having the ability to take a coffee break whilst the flash recharges, tends to break the flow. A lot of the time I'm using studio flash, however there are times when that is just not feasible and so I need something that has the portability, without the problems associated with AA batteries. An external battery pack seems an ideal solution and there are commercial versions available. The cheapest just add extra AA batteries, and better versions tend to start getting expensive. So I decided to look into a DIY solution. The Answer My research lead me to the Sealed Lead Acid battery (SLA). These batteries are used in a selection of items such as